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Bodies freed from gravity’s grip
Life on Earth is used to gravity. So what happens to our cells and tissues in space?
March 17, 2017
Where was dark matter in early universe?
Surprising new observations of distant galaxies suggest that dark matter was less influential in the early universe than it is today.
March 17, 2017
Celestial spiral is a double star
It's not a spiral galaxy. It's a double star system seen from Earth to create a spiral shape in a shell of gas.
March 16, 2017
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
