A supermassive black hole is reawakening inside a distant galaxy cluster—and after almost 100 million years of slumber, ...

Soon enough, though, it became clear that spaceflight is not, in and of itself, all that harmful to mammals, their hearts, or ...

The crew member of concern is doing fine,” NASA said after their return early Thursday, the first time in the space station’s ...

What: A forward-looking SETI Live discussion examining the most significant space science missions, discoveries, and ...

The US, China, India, Europe and Japan all have exciting missions on the horizon in 2026. Many of them are collaborative ...

The crew undocked from the orbiting outpost at 5:20 p.m. ET Wednesday — about a month earlier than planned —and are scheduled ...

China reportedly builds satellite facilities across Africa and Latin America, extending its Belt and Road strategy to space ...

The U.S. Senate voted on Thursday to approve billions of dollars in funding for federal science agencies, rejecting deep cuts ...

The coldest and densest molecular gas clouds in the interstellar medium can have temperatures of 10 K (-505 °F/-263 °C), ...

"We want to have epic, futuristic spaceships with lots of people in them," Elon Musk said at a Texas SpaceX presentation.

Earth scientist Andrea Donnellan studies the surface of the Earth from the sky to better understand earthquakes, including ...

A brilliantly produced and ferociously acted time-and-space obsessed drama that has plenty on its mind, but has trouble communicating it.