Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Moon and Venus grace eastern morning sky
Get an eyeful of the beautiful early morning scene as the moon joins up with Venus (and Mercury) in late March and early April 2019.
April 29, 2019
Mystery solved: Mercury has a solid heart
Here's how NASA's MESSENGER mission - which orbited Mercury from 2011 to 2015 - let scientists finally solve one of Mercury's biggest mysteries, about whether its innermost core is liquid or solid.
April 28, 2019
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.
April 28, 2019
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.
April 28, 2019
Milky Way over Taylors Lake, Australia
The Milky Way is coming back into view for another observing season. Australia has a wonderful vantage point for it!
April 28, 2019
Uluru sunset
Uluru - also known as Ayers Rock - in Northern Territory, Australia, on April 19, 2019.
April 27, 2019
TESS discovers its 1st Earth-sized exoplanet
Launched in 2018, TESS is NASA's new space-based exoplanet hunter. Now it's found its 1st Earth-sized world orbiting a nearby star. The discovery bodes well, scientists say, for finding more similar worlds in the near future.
April 26, 2019
What caused the Great Dying?
New evidence that volcanic eruptions caused the Great Dying, a mass extinction 252 million years ago that killed off 95% of life on Earth.
April 26, 2019
Listen to 1st-ever recorded marsquake
On April 6, NASA’s Mars InSight lander captured the 1st-ever audio of a likely “marsquake.”
April 25, 2019
