At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...

Observations of exoplanets typically provide astronomers little more than an orbit, a mass and a radius. If the radius and ...

A Soviet space probe built to withstand Venus’ harsh atmosphere will crash into Earth at an unknown location sometime next ...

NASA's Lucy spacecraft discovered a mysteriously shaped asteroid, Donaldjohanson, revealing features that could revolutionize ...

The public will have the opportunity to learn about space and exploration at the Sun, Earth, Universe exhibition on the ...

Pro stargazers and novice spectators alike will want to get outside on May 5 to see the Eta Aquarid meteor shower.

At 300 light-years away, the interstellar cloud is the closest of its kind ever found to Earth and the largest apparent single structure in the sky.

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

If you missed Earth's ' mini Moon ' last year, chances are you might be able to spot another asteroid today. The space rock ...

CAPE CANAVERAL, Fla. (AP) — A Soviet-era spacecraft meant to land on Venus in the 1970s is expected to soon plunge ...

According to one declassified CIA report, aliens apparently do exist. In fact, there could be two alien bases here on Earth.