Help NASA decide where to land on asteroid

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.

Send your name to Mars

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.

See Beresheet spacecraft’s impact site on moon

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

It’s Hurricane Preparedness Week. Are you ready?

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.

What you need to know about derechos

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.

Microplastics found in remote Pyrenees Mountains

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.

When does Ramadan begin in 2019?

Earliest sightings of a young crescent in the west after sunset mark the start of the Islamic holy month of Ramadan. When will the UAE's moon-sighting committee see this month's young moon? If they're using binoculars and telescopes (and have clear skies), they might see it May 5. For the eye alone, the date is probably May 6.

Will the Higgs boson help scientists trap dark matter?

A University of Chicago physicist has laid out an innovative method - using the Higgs boson - for stalking dark matter. He said the Higgs might actually be "a portal to the dark world."

When is dead really dead?

A recent study of pigs' brains suggested some activity could be restored even after they'd been dead 4 hours, reinforcing the idea that death is a process. A neuroscientist explains.

The day the asteroid might hit

For the 1st time, the European Space Agency will cover progress of a hypothetical asteroid impact scenario - this week - live via social media, from the heart of the Planetary Defense Conference in Washington, DC.