China’s Shijian-21 and Shijian-25 satellites, known as SJ-21 and SJ-25 for short, likely docked together in geosynchronous ...

Since Kepler's laws of motion dictate that celestial bodies orbit more slowly when farther from the sun, we are now moving at ...

The science behind why the Earth will spin just a little bit faster on July 9, July 22, and August 5, this year.

A spaceflight delayed a week ago could commence this weekend as Blue Origin will attempt a launch that will take six people ...

But these Mission Extension Vehicles don't have the ability to transfer fluids from one satellite to another. That is the ...

The National Weather Service said fireballs were spotted across the Southeast, including Charleston, South Carolina, a day before the June Bootid meteor shower.

The Defense Department will buy $400 million of preferred stock in MP Materials. MP Materials owns the only operational rare ...

One woman gripped a large water cooler as she fought to stay afloat when she was pulled into the Guadalupe River.

This 2011 astronaut photo shows the atolls of Rowley Shoals lined up in a near-perfect line off the coast of Australia. The ...

In the past two years, without much notice, solar power has begun to truly transform the world’s energy system.

Commuting to Concordia research station in Antarctica takes days—it’s more remote than the International Space Station. Here’s how to get there.