A new study suggests a series of supernovae - peaking 2.6 million years ago - might have triggered earthly events that promoted proto-humans’ upright walking.

Will Elon Musk's plan to launch 12,000 Starlink satellites - aimed at bringing internet access to the world - interfere with astronomy? Astronomer Guy Ottewell ponders this question.

A hundred years ago today, Einstein’s theory of gravity was first put to the test when Arthur Eddington observed light “bending” around the sun during a solar eclipse. A century later, scientists are still searching for the limits of the theory.

Watch 2 Russian cosmonauts perform a spacewalk outside the International Space Station (ISS) on Wednesday, May 29.

Citizen scientists: NASA’s OSIRIS-REx mission needs your help choosing its sample collection site on asteroid Bennu ... and your extra eyes to look for whatever else might be interesting.

Want to send your name to Mars on NASA's next rover mission in 2020? You'll get your name etched on a microchip affixed to the rover - and a souvenir boarding pass. Here's how.

NASA released before and after images of the spot on the moon where Israel’s Beresheet spacecraft crash-landed on April 11.

May 5-11, 2019, is Hurricane Preparedness Week in the U.S. If a hurricane were approaching, would you and your family be ready? This post will tell you how to prepare.

Derechos typically form in late spring and summer. They are violent storm systems that can produce widespread wind damage across a large area. Check out the images in this post.

Microplastic particles - too small for the human eye to see - were blown into the once pristine region by the wind, according to a new study.