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

Saturn and Neptune will be in the same binocular view for the entire month. Neptune lies 3.5 degrees northeast of Saturn on ...

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 ...

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

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

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

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 ...

New research using Cassini data suggests Titan may not have a global ocean, but small warm water pockets hidden deep in its ...

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 ...