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.
Closest-yet star to black hole
Astronomers have found a star that whips around a black hole about twice an hour. That's a very close orbit, possibly the tightest orbital dance ever witnessed for a star and black hole.
March 15, 2017
Back-to-back Mars dust storms
In the past few weeks, the Mars Reconnaissance Orbiter has reported 2 dust storms that sprang up in Mars northern hemisphere, then blew up to continent-size upon shifting southward.
March 14, 2017
Moon shadow path in 2017 solar eclipse
Fly along with the moon’s shadow in this NASA video depicting the path of the August 21, 2017 total eclipse of the sun.
March 14, 2017
When galaxies collide, black holes eat
When our Milky Way galaxy and neighboring Andromeda galaxy collide, supermassive black holes will have a feast!
March 12, 2017
Cassini shows strange Saturn moon Pan
Wonderful Cassini spacecraft - now in its final year orbiting Saturn - shows us a tiny, walnut-shaped shepherding moon.
March 12, 2017
Comet Encke nearest sun March 10
Faithful Comet Encke is one of the shortest-period comets known. Its frequent returns near the sun helped reveal the true nature of comets.
March 10, 2017
Stardust sheds light on 1st stars
Astronomers observed a young galaxy, existing when the universe was only 4% of its current age. It had a mass of interstellar dust, formed during explosions of an earlier generation of stars.
March 8, 2017
Ceres’ bright spots are young
Scientists have learned that dwarf planet Ceres' bright spots are only 4 million years old. To geologists, youth means activity and, in this case, ice volcanos.
March 6, 2017
How do astronomers find exoplanets?
Stars are incredibly bright in contrast to any planets that may be orbiting them. So finding exoplanets - planets orbiting distant suns - isn't easy. Here's how it's done.
March 6, 2017
Webb telescope to probe 7 worlds
The nearness of 7 newly found Earth-sized planets - and the smallness their host star - make them perfect targets for the new space telescope that'll be Hubble's successor.
March 5, 2017
