The Artemis II mission, which could launch as early as February, is expected to send four astronauts on a trip to the moon, ...

The moon and sun share top billing in 2026. Kicking off the year's cosmic wonders is the moon, drawing the first astronauts ...

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 ...

An astronaut on the ISS photographed a "lunar halo" over the Indian Ocean, revealing ice and rare optical phenomena from ...

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.

NASA’s Perseverance rover has made a significant discovery on Mars: a meteorite, which could provide vital clues about the planet’s past and its interactions with space objects. The rover has been ...

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 ...