Bizarre Symmetrical Streaks Spied in Atmosphere of Venus By Elizabeth Howell Surprise! New pictures show two symmetrical streaks hiding in the sulfuric acid clouds close to the surface of Venus.
Want to Make Water on the Moon? The Solar Wind May Help. By Meghan Bartels As humans, we rely on water, and that will be no different during long-term space exploration — which is why scientists are investigating how and where water forms elsewhere in the solar system.
Surprise! Earth's Atmosphere Extends Far Beyond the Moon By Mike Wall Tiny wisps of Earth air stretch way out into deep space, far beyond the moon's orbit, a new study suggests.
We're 'Well On Our Way' to Discovering Alien Life, NASA Chief Says By Mike Wall We may not have to wait much longer to get our first glimpse of E.T., NASA chief Jim Bridenstine said.
A Brilliant Daytime Meteor Exploded Over Cuba This Month. Here's Where It Came From By Mike Wall Astronomers just got the goods on the meteor that flared up over Cuba earlier this month.
Meet Hippocamp! Neptune's Smallest Moon Has a Name (and a Violent Past) By Mike Wall A faint and frigid little moon doesn't have to go by "Neptune XIV" anymore.
'River of Stars' Streaming Through the Milky Way Was Hiding in Plain Sight for 1 Billion Years By Rafi Letzter This cluster of stars has been visible for a long time, but scientists only just now realized they're part of the same cosmic river.
The MAVEN Spacecraft Will Fly Closer to Mars to Help NASA's Next Rover By Doris Elin Salazar The 4-year old MAVEN mission will start making elliptical orbits closer to Mars' surface and prepare for its role as a future data-relay system for NASA's upcoming Mars 2020 rover.
Final Fiscal Year 2019 Budget Bill Secures $21.5 Billion for NASA By Jeff Foust An appropriation bill signed into law Feb. 15 gives NASA $21.5 billion for fiscal year 2019, $1.6 billion above the administration's original request.
Under Pressure: Rosetta Comet's Weird Neck Sculpted By Shear Stress By Elizabeth Howell The weird "neck" between the lobes of Comet 67P/Churyumov-Gerasimenko spotted by the Rosetta spacecraft formed in part because the comet had a brittle interior, a new study shows.
Gemini Constellation: Facts About the Twins By Kim Ann Zimmermann The constellation Gemini is easy to spot in the northeastern sky.
Color Mosaic of the Full Moon Reveals Blue 'Seas' of Titanium (Photo) By Miguel Claro A colorful high-resolution mosaic of the full moon reveals slight differences in the chemical constitution of the lunar surface.
See Venus and Saturn Pass Each Other at Dawn on Monday By Joe Rao Come early Monday morning, you'll be able to watch two planets that will pass in the dawn.
Comet and the Pleiades Meet Up in Meteor Shower in This Fantastic Photo By Miguel Claro Meteors, star clusters and a naked-eye comet light up the sky over Portugal in this full-dome fisheye photo captured during the Geminid meteor shower of 2018.
A Solar Flare '10 Billion Times More Powerful' Than Earth's Sun Blasted Out of Orion's Sword By Brandon Specktor This crazy solar flare is more powerful than any ever blasted by Earth’s sun.
Scientists Hope They're Hot on the Heels of Universe's Missing Mass By Meghan Bartels Astronomers think they've found a new clue in their continuing quest to solve one of the most substantial mysteries of the cosmos: where about a third of the universe's matter is hiding.
Plasma Waves Are Cooking Electrons in Earth's Magnetic Shield By Rafi Letzter Space is warm — or, at least, warmer than it should be. A new study seeks to explain why.
Could Volcanic Activity Allow Water Beneath the Martian Polar Ice? By Elizabeth Howell If liquid water indeed exists under the south polar ice cap of Mars, it has to be due to volcanic activity, a new study suggests.
