That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

NASA scientists unearthed a new exoplanet, dubbed the 'cold Earth,' from retired Kepler telescope data. This Earth-sized world, HD 137010 b, orbits a distant star and, despite frigid temperatures, may ...

A new discovery suggests the possibility of an exomoon with an unprecedentedly large mass, thousands of times larger than any ...

For generations, Jupiter has been shorthand for a straightforward idea: the biggest planet in the Solar System, a gas giant ...

Astronomers are testing a quieter way of searching for moons beyond the solar system, using careful measurements of motion ...

Photographers capture mutant crayfish, cleaning fish, and synchronized whales in this year's top underwater contests.

Alexander Venner picked his way by hand through the data collected by a now-retired NASA telescope called Kepler, which examined the sky for exoplanets ...

What effects can an exoplanet orbiting close to its star have on the former’s atmosphere? This is what a recent study ...

From a distance, it looks like a serene blue twin of our own world, a dot that could almost pass for Earth in a telescope ...

The winner of the March 24 Special Election will succeed former Republican Rep. Mike Caruso, who vacated the HD 87 seat in ...

On Jan. 22, 1973, in its historic Roe vs. Wade decision, the U.S. Supreme Court struck down state bans and made abortion legal.

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...