For Missouri residents, Marvel Cave represents a treasure in your own backyard worthy of repeated visits. For travelers, it offers an experience you simply cannot find in many other locations—a ...

Discover why Earth's asteroid belt is disappearing and what this means for the future of our solar system, including potential impacts for Earth and beyond.

Huge eruptions from the Milky Way’s supermassive black hole in the distant past may have sterilized much of the inner galaxy ...

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three dimensions.

Interstellar comet 3I/ATLAS is passing safely through our solar system. Learn about its discovery, its distant path, and why ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

Mercury reaches its greatest eastern elongation on October 29, appearing farthest from the Sun in the southwestern sky, offering a brief window for observation after sunset.

A chilling warning from late theoretical physicist Stephen Hawking has once again re-emerged after claims a mysterious 'alien ...

Newly discovered multi-wavelength view of a stellar eruption on a young Sun-like star is changing how we think about life's ...

A recently discovered exoplanet, a planet that exists beyond our solar system, called GJ 251c is a super-Earth located just 18 light-years away from our ...

No, NASA didn’t confirm a second moon, but scientists did discover something else that’s been traveling with Earth for ...