Mars has two moons, Phobos and Deimos. Scientists still debate whether these came from asteroids that passed close into Mars' ...

In general, the best time to view the planet parade will be after Jan. 21, and before Feb. 21. The very best nights will be ...

When you look up in the night sky, our moon is unmissable.Just like Earth, it's round and has a solid, rocky surface. But is ...

Once thought to be 8 billion years old, the star HD 110067 — famous for its six synchronized exoplanets — may be only 2.5 ...

The Webb Telescope reveals new insights into icy planetesimals, shedding light on the early solar system's evolution.

It's looking like 2024 will be the hottest year since record-keeping began, unseating 2023 for the top spot. Climate change ...

All the powerful astrological transits, mercury retrograde periods, and manifestation tips you need to know for the year ...

Astronomers are searching for a potential ninth planet, known as Planet Nine, which could reshape our understanding of ...

The Atom Project #1 hits stores this week, featuring Ray Palmer and Ryan Choi's attempt to restore order to a world of ...

Every 789 days, Mars, Earth and the sun come into alignment, which astronomers call opposition. Planetary oppositions for ...

With 2024 winding to a close, here are the big-time golf events we're most excited about watching in 2025. The post The 9 ...