A partial solar eclipse happens Sunday in parts of the Southern Hemisphere. Saturn will also appear at its brightest, with ...

Prepare for big changes as September's upcoming new moon doubles as a solar eclipse. Celebrity astrology Kyle Thomas explains ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

NASA says its Hubble Space Telescope has detected a white dwarf star that consumed fragments of a Pluto-like object. Space ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

In total, Saturn is thought to have at least 274 moons, the greatest number of natural satellites in the solar system. After its opposition, Saturn will stay visible for many weeks, but each passing ...

Did you see the bright star next to the moon? That was Venus, and part of a conjunction between the moon, Venus and the star ...