Fantasizing about interplanetary exploration is a fun mental exercise, but the harsh realities of life (or lack thereof) in ...

Discover which planet is the fastest in the solar system. Learn why Mercury moves at 47 km/s, has the shortest year, and ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though only slightly larger than Earth’s Moon, Mercury endures some of the most ...

Our solar system didn't form by accident. This video explains the blueprint that created rocky worlds like Earth and Mars ...

Before the ribbon-cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by WHS Astronomy ...

Astronomers have found the strongest evidence yet of an atmosphere around a rocky exoplanet.

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

Mercury, long recognised as the innermost planet, exhibits a remarkable comet-like tail stretching millions of kilometres.

If you've never sighted this rocky little world for yourself, you'll never get a better opportunity than right now to see it.

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to ...

Before the ribbon cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by Westfield High School Astronomy Club members Krystyna Goulette and Kaitlyn Goulette — ...

Super-Earth TOI-561b is about 40 times closer to its host star than Mercury is to the sun.