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.
Watch spacewalk live March 29
On Thursday, 2 astronauts will perform a spacewalk. The spacewalk is scheduled to begin at about 12:10 UTC (8:10 a.m. EDT) and will last about 6.5 hours. How to watch live.
March 28, 2018
Supersonic parachute test off Virginia coast March 27
NASA will provide live coverage of the ASPIRE 2 launch on Tuesday, beginning at 10:15 UTC (6:15 a.m. EDT). Info on how to watch here.
March 26, 2018
10 surprises about our solar system
Here are 10 unexpected and intriguing facts about our solar system - our sun and its family of planets - you probably did not know!
March 26, 2018
TRAPPIST-1 planets provide clues to habitable worlds
All 7 of the TRAPPIST-1 planets are Earth-sized and terrestrial, making them an ideal focus of study for planet formation and potential habitability.
March 25, 2018
Astronomers confirm source of galaxy-sized stream of gas
The Magellanic Stream - 300,000 light-years long - arches around our Milky Way. It's too faint and tenuous to study directly, so astronomers probed it by looking to distant quasars.
March 24, 2018
Did Scholz’s star invade the Oort Cloud?
Scholz´s star - named for its discoverer - is now 20 light-years away. But astronomers say they've verified a flyby of this star 70,000 years ago that disturbed comets in the Oort Cloud.
March 22, 2018
Did huge volcanoes lead to oceans on Mars?
A new study links oceans on ancient Mars to the rise of the planet's Tharsis volcano system, home to the largest volcanoes in our solar system.
March 22, 2018
Jupiter’s Red Spot gets taller as it shrinks
Scientists have noticed that Jupiter's Great Red Spot has been getting smaller over time. New evidence says the storm is getting taller - and more orange - as it shrinks.
March 21, 2018
Why do comets emit X-rays? Mystery solved
Researchers fired laser beams onto a plastic foil to mimic some of the conditions comets encounter as they travel through our solar system and to solve a long-standing mystery.
March 20, 2018
Researchers say 1st interstellar asteroid likely from double star
New research suggests that the 1st confirmed interstellar asteroid - called ‘Oumuamua by astronomers - likely came from a system where 2 stars orbit each other.
March 19, 2018
