A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

In the 30 years since the discovery of 51 Pegasi b, more than 6,000 planets outside our Solar System have been catalogued. Two modern-day explorers explain how.

FBI boss Kash Patel gave New Zealand officials 3D-printed guns illegal to possess under local laws Rory McIlroy blasts ...

Astronomers have discovered fresh evidence suggesting the possible existence of an unseen planet in the far reaches of our solar system.

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest observations will be made.

NASA’s IMAP mission will explore the heliosphere and study how it shields Earth from cosmic radiation and space weather.

When the famous Coggia's Comet flashed across the sky in 1874, a Missouri astronomer named Carr Waller Pritchett made a wish.

Georgia State researchers are joining a bold global mission: to build a revolutionary telescope that could detect life beyond ...

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure ...

Two recent studies used seismic data from NASA’s retired InSight mission to shed light on what lies beneath Mars’ surface and what it means for the planet’s history The spacecraft will map the ...

The Sun’s poles may hold answers to long-standing mysteries about magnetic cycles, solar wind, and space weather. The polar regions of the Sun remain one of the least explored areas in solar science.