CAPE CANAVERAL, Fla. (AP) — The U.S. military’s classified mini space shuttle returned to Earth on Friday after circling the ...

Breaking space news, the latest updates on rocket launches, skywatching events and more! He called this hypothetical world "Planet X." "In some ways, Pluto's more of a planet than some of the ...

United States Space Force's X-37B Orbital Test Vehicle returned to Earth yesterday (March 7) following its seventh mission to ...

The United States Space Force’s secretive X-37B space plane touched down to earth on Friday after spending 434 days in orbit ...

A decades-old astronomical mystery has finally been solved—an enigmatic X-ray signal emanating from deep space turns out to ...

Last week, the US Space Force posted a photo online from its uncrewed X-37B space plane's seventh mission, showing the orbital test vehicle above our planet in High Earth Orbit over 22,000 miles away.

Astronomers using a cutting-edge adaptive optics instrument, MagAO-X, have captured unprecedented images of young planets ...

The X-37B Orbital Test Vehicle after ... test and experimentation objectives," the Space Force said. After that, the craft will plummet through our planet's atmosphere and land on a runway ...

Space scientists say they have located a planet killer capable of ripping worlds to pieces. Researchers believe they've found ...