Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

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

Caroline Delbert is a writer, avid reader, and contributing editor at Pop Mech. She's also an enthusiast of just about ...

The ongoing search for an additional planet at the solar system's edge has identified a new candidate, potentially ...

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

Part of a spacecraft that has been stuck in orbit for 53 years is due to reenter Earth’s atmosphere around May 10 and could ...

After seeing these comments by Schmidt, I reasoned that the former Google executive might have bought Relativity Space as a ...

A newly released image of the sun captured by the world's largest solar telescope shows the surface of our nearest star in ...

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

McClain, an Army colonel and helicopter pilot, should have taken part in the first all-female spacewalk in 2019, but there ...