Tropical Cyclone Joaninha's maximum sustained winds dropped to 65 knots on March 29, 2019, after being pushed away from its center. The storm was expected to weaken further due to increasing wind shear and cooler sea surface temperatures.
Tropical Cyclone Joaninha maintains its eye due to low wind shear and warm sea surface temperatures. The cyclone is expected to weaken as it moves into an unfavorable area with increasing westerly vertical wind shear.
Astronomers have observed the disintegration of asteroid 6478 Gault using NASA's Hubble Space Telescope and other observatories. The asteroid's rapid spinning has caused it to shed material, resulting in two narrow tails of dusty debris streaming from its surface.
Tropical Cyclone Joaninha maintained its eye with visible thunderstorms surrounding it, with maximum sustained winds near 110 knots. The cyclone is forecast to weaken and transition into a subtropical cyclone over the next several days.
Tropical Cyclone Veronica weakened due to strong vertical wind shear, causing its center to clear of clouds. The storm rapidly deteriorated and is expected to dissipate by the end of March 26.
Tropical Cyclone Joaninha is affecting Mauritius, with NASA tracking its movement through the Southern Indian Ocean. The storm is causing strong southerly winds and heavy swells, prompting warnings from the Mauritius Meteorological Services.
Tropical Cyclone Joaninha generated heavy rainfall in the Southern Indian Ocean, with rates exceeding 0.75 inches per hour around its center. The Global Precipitation Measurement mission data used by NASA's IMERG provided a comprehensive analysis of the cyclone's precipitation patterns.
Tropical Cyclone Veronica is moving slowly west southwest along the Australian coast, with its eye just off the coast. The storm is expected to weaken below tropical cyclone intensity early Tuesday, bringing heavy rain and hazardous road conditions.
Tropical Cyclone Trevor filled up Australia's Gulf of Carpentaria, as revealed in a NASA image. The cyclone brought severe weather conditions, including destructive winds and very heavy rainfall.
Severe Tropical Cyclone Veronica is a Category 4 storm with sustained winds of 175 km/h, moving slowly southwards towards the Pilbara coast. The Australian Bureau of Meteorology has issued warnings for the region, predicting a severe coastal impact late Saturday or Sunday.
Tropical Cyclone Veronica, a Category 4 system, is moving slowly towards the Pilbara coast of Western Australia. The cyclone is expected to make landfall on March 24, near Whim Creek, with severe coastal impact likely.
Tropical Cyclone Trevor has re-emerged in the Gulf of Carpentaria after crossing Cape York Peninsula. The cyclone is expected to intensify further and make landfall near Borroloola as a category 4 severe tropical cyclone.
Savannah's maximum sustained winds dropped to 35 knots (40 mph) as it weakened under strong vertical wind shear from the northwest. The Joint Typhoon Warning Center issued its final warning at 5 a.m. EDT, predicting further dissipation later in the day.
Tropical Cyclone Trevor is slowly moving just south of Lockhart River, with maximum sustained winds near the center reaching 130 kilometers per hour. The cyclone is expected to weaken as it crosses the northern Peninsula but re-intensify rapidly once it enters the Gulf of Carpentaria.
Tropical Cyclone Veronica developed off Western Australia's northern coast, with NASA's Aqua satellite capturing its visible image on March 20, 2019. The system intensified over the next two days, adopting a more southerly track towards the Pilbara coast.
Astronomers found a pulsar hurtling through space at nearly 2.5 million miles an hour, faster than 99% of those with measured speeds. The discovery sheds light on how supernova explosions can accelerate neutron stars to high speeds.
The OSIRIS-REx mission revealed unexpected discoveries on asteroid Bennu, including particle plumes and a rugged terrain. The team adjusted their flight plans due to the rough surface, which challenges their sample collection strategies.
Tropical Cyclone Trevor has triggered warnings in Queensland, Australia, with NASA's Terra satellite analysis suggesting strong storm conditions. The storm is expected to reach hurricane-force and make landfall near the Queensland/Northern Territories border, prompting forecasts of heavy rainfall.
Tropical Cyclone Savannah weakened as high clouds filtered over its eye, revealing a defined center but an elongated shape. The storm's maximum sustained winds were near 60 knots (69 mph/111 kph) and it is forecast to continue tracking west-southwestward before dissipating by March 22.
The NASA-NOAA satellite revealed a burst of strong storms in Tropical Depression 03W, indicating vertical wind shear effects. The storm's circulation center was displaced from the bulk of clouds and precipitation.
Tropical Depression 03W has formed near the island of Yap in the Northwestern Pacific Ocean. The storm is expected to maintain its general course and speed through the weekend, passing close to Koror on Sunday. Maximum sustained winds remain at 30 mph, with damaging winds expected on the north side of the storm.
Tropical Cyclone Idai is moving in a westerly direction after making landfall in Mozambique, affecting provinces of Zambézia, Sofala, Manica, Tete, and Inhambane with moderate to strong rains and severe thunderstorms.
Tropical Cyclone Savannah is a low-pressure system strengthening in the Southern Indian Ocean. It will intensify to 80 knots before weakening over the next few days.
NASA's Aqua satellite provides critical infrared data on Tropical Cyclone Idai before its landfall, indicating cloud top temperatures as low as -63 degrees Fahrenheit. This suggests extremely strong storms with the potential to create severe thunderstorms and heavy rain in Mozambique.
Tropical Cyclone Idai is approaching the coast of Mozambique with cloud top temperatures as cold as minus 70 degrees Fahrenheit, indicating powerful thunderstorms. NASA's Terra satellite captured infrared data showing Idai's eye is about 20 nautical miles wide, with maximum sustained winds near 103.6 mph.
Researchers found a fine haze of cosmic dust over Mercury's orbit, forming a ring some 9.3 million miles wide. They also identified the likely source of dust at Venus' orbit: a group of never-before-detected asteroids co-orbiting with the planet.
Tropical Cyclone Idai was spotted in the Mozambique Channel by NASA's Terra satellite on March 12. The cyclone maintained a well-defined eye despite high clouds and was forecast to intensify before making landfall near Beira, Mozambique.
Tropical Cyclone Idai was detected by NASA's Aqua satellite on March 11, 2019, with powerful thunderstorms wrapping around an eye obscured by high clouds. The storm was forecast to make landfall near Beira, Mozambique as a Category 4 hurricane with maximum sustained winds of 125 knots.
NGC 6052 is a pair of colliding galaxies visible in the Hercules constellation, consisting of two galaxies merging due to gravity. The Milky Way will undergo a similar collision with Andromeda in approximately 4 billion years.
Tropical Cyclone Haleh is being affected by northerly wind shear, causing it to weaken. The storm has maximum sustained winds of near 40 knots (46 mph/74 kph) and is forecast to turn to the north-northeast.
Scientists have observed water molecules moving around the dayside of the Moon, contradicting previous assumptions that it was arid. The amount and locations of surface water vary based on the time of day, with more common at higher latitudes.
Tropical Cyclone Haleh continues to weaken due to wind shear and cooler waters, falling below the hurricane threshold. The storm has become elongated from outside winds, affecting its rotation and strength.
A new study finds that K stars, which are dimmer than the Sun but brighter than faintest stars, may be particularly promising targets for searching for signs of life. K stars live a long time and have less extreme activity in their youth, giving them plenty of time for life to evolve.
The Moon appeared to move in two opposite directions during a lunar transit, due to the SDO's faster orbital speed. The spacecraft caught this phenomenon, resulting in a 'freeze-frame' effect as the Moon remained in view.
The Milky Way weighs approximately 1.5 trillion solar masses, with dark matter making up the majority of its mass. Globular star clusters were used to measure the galaxy's movement, providing a more accurate estimate of its mass.
The spacecraft studied the solar wind to better understand turbulence, which is a chaotic motion of a fluid. The mini-campaign provides scientists with an up-close view to push the frontiers of the field.
Tropical Cyclone Haleh is weakening due to moderate to strong vertical wind shear, causing its elongation and eventual transition into an extra-tropical storm. The storm has decreased maximum sustained winds to 75 knots (86 mph/139 kph) and is forecast to continue weakening in two days.
Tropical Cyclone Haleh intensified into a hurricane-force storm with cloud top temperatures as cold as minus 63 degrees Fahrenheit, indicating strong storms with the capability to produce heavy rainfall. The storm is expected to continue weakening before becoming extra-tropical in five days.
A NASA study found that the 2015-2016 El Niño event triggered widespread disease outbreaks globally, including plague and hantavirus in Colorado, cholera in Tanzania, and dengue fever in Brazil and Southeast Asia. The study analyzed climate data and public health records to quantify the relationship between El Niño and disease outbreaks.
Wutip's weakening was caused by vertical wind shear and cooler waters, which knocked out the storm's winds. The depression is expected to make a turn toward the west with decreased forward speed over the next 24 hours.
The Manaro Voui volcano in Vanuatu released the largest amount of sulfur dioxide in 2018, with 400k tons during its most active phase in July. The eruption had devastating effects, including acid rain and destruction of homes.
NASA's Aqua satellite captures visible image of Tropical Cyclone Pola, revealing a developing eye. The Joint Typhoon Warning Center expects the storm to weaken and transition into an extra-tropical storm.
Tropical Cyclone Pola was passing near Fiji when NASA's Aqua satellite analyzed the storm in infrared light, finding cloud top temperatures getting colder. Colder cloud tops indicate a strengthening storm with strong thunderstorms capable of creating heavy rain.
Typhoon Wutip has lost its eye and elongated due to wind shear, with maximum sustained winds decreasing to 90 mph. The storm is forecast to continue weakening over the next few days, becoming a depression in a day or two.
Tropical Cyclone Pola has shown strong storm characteristics, indicating a high risk of heavy rainfall. The storm is expected to strengthen and reach peak strength as a tropical storm on Feb. 27.
Typhoon Wutip weakened rapidly from a super typhoon to a typhoon due to wind shear, with its eye clouded over in a visible image captured by NASA-NOAA's Suomi NPP satellite. The storm is forecast to further weaken and potentially become a depression by February 28 or March 1.
Tropical Cyclone Wutip strengthened into a powerful super typhoon, with NASA-NOAA's Suomi NPP satellite capturing a clear eye 25 nautical miles wide. The storm is expected to weaken due to an eyewall replacement cycle and increased vertical wind shear.
The NASA-NOAA Suomi NPP satellite provided a wide view of Tropical Cyclone Oma in the Southern Pacific Ocean, capturing its massive size and weakening signs. The storm's elongation is a sign of weakening due to northeasterly winds pushing clouds and thunderstorms into the southern quadrant.
Typhoon Wutip's eye is located about 105 miles north of Faraulep and 230 miles south of Guam, moving northwest at 15 mph. Cloud top temperatures as cold as or colder than 70F/56.6C indicate heavy rainfall potential.
Astronomers found a tiny moon, Hippocamp, around Neptune that shouldn't exist due to gravitational clearance by Proteus. The moon is thought to be a chipped-off piece from Proteus resulting from a comet collision, measuring 20 miles across.