There's no telling what will gain traction on social media, but one conspiracy theory has gained enough traction for NASA to make a statement.

It was quite a leap. Conspiracy theorists are being brought back down to Earth after NASA scientists debunked a wild claim ...

There is no secret NASA document titled "Project Anchor," and there's no way to turn off gravity. "Gravity is an inherent ...

The universe’s accelerating expansion has long puzzled physicists. For decades, dark energy, an unseen force thought to make up nearly 70% of the cosmos, has been the leading explanation. But a new ...

Every time a coffee mug drops, a satellite orbits or an astronaut floats, we are watching the same phenomenon play out under ...