From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

January nights are full of starry delights, and we have so many hours to enjoy them, provided the weather cooperates. As 2026 ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

SANTA CRUZ — Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed ...

A simple guide to the Dec. 25, 2025 night sky, with viewing tips for the moon, bright planets, and familiar winter stars ...

The Christmas star that guided the three magi to the manger where Jesus was born has evolved through myth into a symbol of Ukrainian culture – pre-Christian as well as contemporary.

Of all the space news stories in 2025 that captured the attention of even those with just a passing interest in the heavens, Comet ...

Posts claiming a celestial "smiley face” will light up the night sky over Christmas aren't true. But the Christmas Tree ...

In the early hours of Christmas morning, 'Santa', better known as the International Space Station(ISS), will pass directly ...

January's full Wolf Moon, which is also a supermoon, will rise in the Gemini constellation, appearing bigger and brighter ...

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

From stranded astronauts to secret moons to space photos that were once impossible to consider, here are the top space ...