Using nearly a decade of satellite observations, NASA's Black Marble project reveals a constantly shifting portrait of human ...

Neptune’s third-largest moon, Nereid, could be an intact survivor from the planet’s original satellite system, upending ...

Scientists discovered a mini-Neptune with a heavy atmosphere, revealing new clues about how planets migrate through young ...

Looking for a sky event this week? Check out our full Sky This Week column. May 18: The Moon hangs with Venus Venus has now ...

North America’s celestial highlights for the weekend ahead, which also apply to mid-northern latitudes in the northern ...

KENNEDY SPACE CENTER — NASA's Europa Clipper mission on Monday launched a satellite to investigate Europa, Jupiter’s “mysterious moon” — a world covered in ice that scientists say could have an ocean ...

SpaceX's most powerful operational rocket boosted a high-speed ViaSat internet data relay satellite into space to complete a globe-spanning constellation.

Are you familiar with the constellation Crater the Cup? If not, don’t worry — you’re about to spot it tonight. This mid-sized constellation, measuring 53rd in size among the 88 official constellations ...

Scientists have discovered a bizarre planetary system where a rocky world orbits farther out than giant gas planets, defying ...

TESS has released its most complete view of the sky over Earth, revealing the location of 6,000 potential worlds beyond the ...

In a new study, researchers reanalyzed the first year of observations from NASA’s Transiting Exoplanet Survey Satellite (TESS ...

There are more opportunities to access space than ever, thanks to a bevy of commercial rockets, some with reusable boosters, ...