NASA satellite imagery revealed Tropical Depression 4 is losing its punch, moving into a relatively dry environment. The National Hurricane Center expects the storm to degenerate into a remnant low pressure area tonight.
Tropical Depression 4 formed over the central Atlantic Ocean on July 6, with heavy showers and rain rates exceeding 44mm/hour. The depression is moving west-northwest at 16mph and is expected to remain a depression for several days before potentially reaching tropical storm status.
Astronomers use gravitational lens to magnify light from distant galaxy, revealing two dozen clumps of newborn stars. This contradicts earlier theories suggesting larger star-forming regions in the early universe.
Tropical Storm Nanmadol caused severe flooding and one death in southwestern Japan. The GPM satellite measured intense precipitation bands, with rain falling at a rate of over 3.3 inches per hour in an area near the Korea Strait.
Tropical Depression Nanmadol transitioned into an extra-tropical storm, losing tropical characteristics. The remnants were captured by NASA's Aqua satellite on July 5, showing a cold core system with clouds and thunderstorms pushed east of the center.
Tropical Storm Nanmadol was analyzed by NASA using Suomi NPP and GPM Core satellites, revealing a powerful storm with maximum sustained winds of 45 knots. The data showed an eye-like structure at the center of circulation and heavy rainfall rates exceeding 184 mm per hour.
The Hubble Space Telescope has imaged a powerful Seyfert galaxy, 2XMM J143450.5+033843, emitting huge amounts of radiation due to its supermassive black hole. The galaxy is nearly 400 million light-years away and is one of the unlucky ones with a unique X-ray name.
NASA's Global Precipitation Measurement mission tracked Dora's transformation from moderate rainfall to barely any, revealing a rapid dissipation process. The storm's convection was absent in most of its southeastern side, and its low-level center exposed to outside winds
Heavy rain showers were observed in southwestern Mexico as Tropical Storm Dora passed along the coast. The Global Precipitation Measurement mission analyzed rainfall rates, finding intense storms with cloud tops reaching altitudes higher than 9.9 miles.
Hurricane Dora reached peak strength on June 26 before weakening began due to cooler waters, according to NASA satellite imagery that captured the storm's powerful thunderstorms. The storm is expected to continue weakening over the next couple of days as it moves over even cooler ocean temperatures.
Hurricane Dora formed on June 25 as a tropical storm and strengthened into the first hurricane of the season by June 26. The storm is currently located near latitude 16.7 degrees North and longitude 105.3 degrees West, moving towards the west-northwest at 13 mph.
Tropical Storm Cindy brought significant rainfall to the Gulf Coast region, with estimated totals ranging from 6.80 inches in Prattville, Alabama, to 12.30 inches in Ocean Springs, Mississippi. The majority of heavy rainfall was located east of Cindy's center, affecting states along the Gulf Coast and surrounding areas.
The NASA-funded CHESS mission will study the earliest stages of star formation by analyzing light filtering through the interstellar medium. The mission aims to understand the lifecycle of stars and the structure of these vast clouds, which can help scientists pinpoint where they stand in the process of star formation.
NASA monitored Tropical Storm Cindy using its Aqua satellite's infrared light and GPM satellite's radar, revealing areas of heaviest rainfall and storm tops reaching over 7.2 miles high. The National Hurricane Center warned of life-threatening flash flooding due to heavy rainfall expected in parts of the US Gulf Coast states.
The James Webb Space Telescope will undergo a three-month test period at NASA's Johnson Space Center to prove its ability to operate in space-like conditions. Chamber A, a historic Apollo-era test chamber, simulates temperatures as low as -393 degrees Fahrenheit, essential for detecting infrared light from distant objects.
A computer simulation, taking a year to run, shows how spicules form on the sun's surface by incorporating neutral particles. The model suggests spicules play a key role in energizing the sun's atmosphere and generating Alfvén waves.
Astronomers find compact yet massive, fast-spinning, disk-shaped galaxy that stopped forming stars only a few billion years after the big bang. The discovery challenges current understanding of how massive galaxies form and evolve.
Tropical Storm Cindy is expected to bring heavy rainfall and life-threatening flash flooding to the northern Gulf coast. Maximum sustained winds of 50 mph are forecasted, with storm surge, tropical storm force winds, and isolated tornadoes also possible.
Tropical Storm Bret weakened into a tropical wave in the Caribbean Sea on June 20, with its center near 12.0 degrees north latitude and 67.3 degrees west longitude. The remnants of the storm were moving west-northwest at 22mph, associated with isolated moderate precipitation.
A developing low-pressure area in the Gulf of Mexico is being monitored by NASA's GPM core satellite, which gathered rainfall and storm height information. The system has triggered Tropical Storm Warnings and Watches along the U.S. Gulf Coast, with a potential tropical cyclone expected to reach the coast late Wednesday or Wednesday night.
A developing tropical cyclone in the western Atlantic Ocean is expected to strengthen into a tropical storm within the next five days. NASA provided critical data and cloud height information to forecasters, revealing heavy rain showers and towering thunderstorms with heights above 9.3 miles.
Heavy rainfall in southeastern Bangladesh caused at least 156 deaths through landslides and floods. NASA's IMERG data analyzed by Goddard Space Flight Center shows extreme rainfall totals exceeding 510 mm.
MAVEN has made several groundbreaking discoveries about the Martian upper atmosphere, including unexpected exchanges of gas between lower and upper atmosphere layers. The mission has also revealed complex interactions between solar wind and planet, resulting in the loss of atmospheric gas to space.
The James Webb Space Telescope will observe a range of celestial objects, from the outer planets and Kuiper Belt to exoplanets and distant galaxies. The initial 2100 observations planned will address various science areas, including first light, galaxy assembly, and star and planet birth.
NASA's Aqua satellite captured images of Tropical Depression Calvin before it made landfall in southwestern Mexico on June 12. The depression brought heavy rain and created flooding across several Mexican states, including Oaxaca, Guerrero, Chiapas, Tabasco, and Veracruz.
NASA tracked Tropical Storm Merbok's rainfall rates and 3D structure before it made landfall east of Hong Kong. The storm showed intense precipitation patterns, with rain falling at a rate of over 57 millimeters per hour in one of its rain bands.
Tropical Depression 3E is a disorganized storm system approaching southwestern Mexico, with periodic bursts of thunderstorm development near its center. The National Hurricane Center forecasts locally heavy rainfall and dangerous mudslides, with total rainfall accumulations expected to reach 5-10 inches in some areas.
Tropical Storm Merbok formed in the South China Sea on June 11, with NASA-NOAA's Suomi NPP satellite providing visible-light images of the storm. The Joint Typhoon Warning Center predicts quick dissipation as Merbok interacts with Hong Kong's rugged terrain.
Astronomers used Hubble Space Telescope to repeat a century-old test of general relativity by measuring the deflection of light from a background star. The result provides a solid estimate of the white dwarf's mass and yields insights into theories of its structure and composition.
NASA's Global Precipitation Measurement mission detected intense rainfall in southeastern Florida, with rates exceeding 7.5 inches per hour. The GPM core satellite captured detailed images of the storms' vertical structure, showing thunderstorm tops reaching altitudes of over 9 miles.
Astronomers have captured unique close-up views of the universe's brightest infrared galaxies, which are as much as 10,000 times more luminous than our Milky Way. The galaxies' star-birth production is 5,000 to 10,000 times higher than that of our Milky Way.
Two exoplanets, WASP-67 b and HAT-P-38 b, have distinct atmospheric compositions, with one being cloudier than the other. The team's findings suggest that their past formation histories may be responsible for these differences.
NASA has adopted a 'sneaker depth' method to visualize and communicate water clarity, inspired by Bernie Fowler's data. The algorithm relates satellite measurements of red light reflection to physical measurements of shoe visibility.
NASA's Aqua satellite captured a last look at Tropical Depression Beatriz as it weakened to a remnant low-pressure area and moved into the Gulf of Mexico. The imagery showed that cloud top temperatures were near 230 kelvin, indicating weakened thunderstorm activity.
Tropical Depression Beatriz strengthened into a tropical storm for half a day before weakening, bringing heavy rainfall to southeastern Mexico. The depression's center of circulation is uncertain due to onshore flow, which may impact the state of Oaxaca.
Astronomers study properties of debris disk around sun-like star by analyzing light passing through it. The transit allows scientists to infer characteristics of the disk and potentially discover analogues in our Solar System.
The NICER mission will study neutron stars and pulsars, collecting X-rays to test theories of dense matter. The spacecraft will also demonstrate X-ray navigation using pulsar timing data.
Tropical Depression 2E is moving north-northeast towards the Mexican state of Oaxaca, where it may bring heavy rainfall and strong winds. The depression's central convection has decreased, but it still has the potential to generate heavy rainfall.
After making landfall in Bangladesh, NASA's satellite data showed Cyclone Mora still packing a punch with heavy rain and high cloud tops. The storm's internal structure was revealed using radar data, indicating intense rainfall bands over southeastern Bangladesh.
Tropical Depression Two-E forms near southwestern Mexico, with maximum sustained winds of 30mph and higher gusts. The depression is expected to strengthen during the next 48 hours and become a tropical storm on June 1.
Scientists using LRO data identified bright areas near south pole craters that are cold enough for frost to be present. The analysis combined surface temperatures with light reflection information.
The James Webb Space Telescope is being tested at NASA's Chamber A, a massive thermal vacuum testing chamber that previously tested Apollo moon mission hardware. The chamber has undergone major upgrades to reach extremely low temperatures and conduct precise optical testing.
Tropical Cyclone Mora made landfall near Chittagong, Bangladesh, with maximum sustained winds of 65 knots (75 mph/120 kph). NASA satellites monitored the storm's progress and extent before it weakened rapidly following landfall.
The new 'Webb-cam' provides daily video feeds on the telescope's progress, allowing space enthusiasts to see the telescope's development in real-time. The camera is mounted where it has a view of the cleanroom at NASA Johnson Space Center and can be seen online.
A NASA team led by Manuel Quijada is investigating techniques for creating highly reflective aluminum mirrors sensitive to the infrared, optical, and far-ultraviolet wavelength bands. They aim to develop a coating that improves reflectance in the far ultraviolet while allowing observations in other wavelength bands.
Heavy rainfall, over 434 mm, was measured over the Bay of Bengal to the northeast of Sri Lanka from May 23-26. The village of Bellana experienced a landslide killing 90 people and over 100 missing due to strong winds and rough seas.
The LRO camera captured a wild and jittery image due to a sudden cross-track oscillation, indicating a brief violent movement of the left Narrow Angle Camera.
The 2015-2016 El Niño event was characterized by warmer ocean temperatures in the Pacific, with blue regions representing colder and red regions warmer temperatures. The El Niño-inducing westerlies caused eastward currents to occur in pulses.
The Solar Dynamics Observatory (SDO) caught a partial solar eclipse in space when the moon passed in front of the sun. The lunar transit lasted almost an hour and covered about 89% of the sun's surface. The moon's rugged terrain, sprinkled with craters and mountains, influenced what was seen during the event.
Tornadoes spawned severe weather in Florida, Georgia, and the Southeastern US on May 24, 2017, with intense rain showers reaching rates of over 8.5 inches per hour. The GPM satellite's data revealed powerful storms dropping heavy rain over the Gulf of Mexico and reaching heights above 9 miles.