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Lightning, New York City, May 28, 2019
Alex Krivenyshev of the website WorldTimeZone.com caught these photos of the lightning show over New York City on May 28. "Watching from my window," he wrote. Thanks for sharing, Alex!
May 29, 2019
Observer’s delight: Moon and Venus at dawn
Good luck on catching the early morning spectacle on May 30, 31 and June 1, 2019. Two beautiful heavenly bodies - the moon and Venus - will be near the sunrise point, basking in the sweet glow of dawn.
May 29, 2019
Ancient ice sheets found under Mars’ north pole
Researchers estimate that if the massive ice deposits melted, they'd cover the planet in 5 feet (1.5 meters) of water.
May 28, 2019
Giant planets and comets battle in planet-forming disk
A study of dust in the disk around the star HD 163296 suggests we're glimpsing a gravitational interaction between giant planets and much-smaller objects, the future asteroids and comets of this newly forming solar system.
May 28, 2019
Watch ISS spacewalk May 29
Watch 2 Russian cosmonauts perform a spacewalk outside the International Space Station (ISS) on Wednesday, May 29.
May 28, 2019
Help NASA decide where to land on asteroid
Citizen scientists: NASA’s OSIRIS-REx mission needs your help choosing its sample collection site on asteroid Bennu ... and your extra eyes to look for whatever else might be interesting.
May 27, 2019
Astronomers find 18 more Earth-sized exoplanets in Kepler data
A new survey algorithm - called Transit Least-Squares - has just caused the number of known, rocky, Earth-sized worlds orbiting distant stars to grow again, as astronomers add another 18 exoplanets to the list.
May 27, 2019
Video: Asteroid 1999 KW4 as it swept past
It wasn't visible to the eye, but some telescope users in Earth's Southern Hemisphere caught it at its May 25 closest approach. Now Northern Hemisphere observers will get their chance. Charts here, and check out this cool video!
May 26, 2019
Tiny dips in star brightnesses reveal 3 exocomets
It's amazing we can detect comets in distant solar systems at all! These are the first 3 exocomets found in data gathered by TESS, NASA's newest planet-hunter. The comets orbit the famous star Beta Pictoris.
May 26, 2019
Stolen comets and free-floating objects
What happens when young stars brush past each other? A lot, according to a new study suggesting our solar system contains comets stolen from another star 4.5 billion years ago.
May 26, 2019
