A planetary dispute turns cosmic. When Uranus ventures too close to Earth, tensions rise and the solar system watches.

A team of scientists has investigated how Earth’s twin became so inhospitable, and whether the same will happen to our planet ...

Imagine a scenario where the Moon, our constant companion in the night sky, begins a deadly trajectory toward Earth. The ...

Late-stage planetary collisions reshaped Earth and its neighboring planets, delivering water, altering their atmospheres, and ...

@Starlit Astronomy: The many mysteries of Venus may be related to a massive celestial impact event. In the early solar system ...

A research team led by geophysicists at UC San Diego’s Scripps Institution of Oceanography provides an explanation for ...

Three celestial bodies will meet up for one night in September in a cosmic conjunction that should be widely visible in the Kentucky sky. What to know ...

Webb telescope found new clues about planet TRAPPIST-1 e, ruling out thick air and keeping the hope for liquid water - and ...

Impact history should be considered a key factor in the search for habitable Earth-like exoplanets. Southwest Research ...

“I love Venus,” she says. “It’s Earth’s evil twin.” The two planets are about the same size, but the differences are stark.

Saturday October 4 is International Observe the Moon night, initiated by N.A.S.A. This month is a good time to begin observing the moon with the naked eye, binoculars or a small telescope. The surface ...