Data from NASA’s Chandra X-ray Observatory and NASA’s James Webb Space Telescope combine to reveal an otherworldly view of ...

Interstellar object 3I/ATLAS reaches its perihelion, prompting Harvard's Avi Loeb to suggest it's an 'alien mothership.' ...

But Harvard astrophysicist Avi Loeb, who leads the Galileo Project and directs the Black Hole Initiative at Harvard ...

Soaring to the depths of our universe, gallant spacecraft roam the cosmos, snapping images of celestial wonders. Some spacecraft have instruments capable of capturing radio emissions. When scientists ...

Harvard astrophysicist Avi Loeb has renewed speculation about the mysterious interstellar object 3I/ATLAS ahead of its ...

As scientists worldwide speculate about the giant comet 3I/ATLAS, we look to NASA, the Galileo Project, and other sources to try to make sense of it all.

NEW YORK — In 1610, Galileo Galilei peered through his telescope and discovered ... She spent two years with Space.com, writing about rocket launches and covering NASA's final three space shuttle ...

Are we being kept in the dark about visitors from space? According to one of the world's most prominent—and ...

Half a billion miles away, a lone emissary from Earth will carry out its own death sentence today when it screams into the atmosphere of the planet Jupiter at 108,000 mph and gets vaporized. The ...