An international team of astronomers reports the discovery of a new exoplanet orbiting a sunlike star as part of the Next ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed ...

NASA plans to launch the Habitable Worlds Observatory in the 2040s, a mission whose goal is “to image Earth-like planets ...

NASA's Curiosity rover was built for a 2-year Mars mission. Nearly 14 years later, it is still making history in Gale Crater.

Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

NASA's relationship with UFOs has evolved alongside broader changes in public and government interest in unexplained ...

SCIENTISTS have discovered a new exoplanet dubbed “Super Jupiter” that is orbiting a distant star. The experts behind the ...

A pair of ‘super-puff planets’ lighter than a shaving foam or cotton candy have been discovered, researchers told Metro.

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

As humanity prepares for a new era of space exploration, NASA and other space agencies are planning ambitious missions to ...