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Top 10 things to know about asteroids
For example, if all known asteroids were rolled into a ball, they'd still be smaller than Earth’s moon ... except for 1 big one.
June 30, 2017
Why do quasars twinkle?
Is it just a coincidence that some twinkling quasars are close on the sky's dome to hot, bright stars? New research suggests a connection and an explanation for a 30-year-old mystery.
June 29, 2017
Asgardia’s 1st satellite due to launch
Asgardia's 1st satellite - Asgardia-1 - will launch aboard a NASA mission to ISS later this summer. "Asgardians" are invited to send their personal data - a photo or a file of their choosing – to space with it.
June 28, 2017
Expect colorful clouds from rocket launch
NASA sounding rocket to form blue-green and red clouds in space Thursday morning. Launch window opens 4:25 a.m. EDT (8:25 UTC). Backup launch day is June 30.
June 27, 2017
Kepler finds 10 Earth-like exoplanets
NASA’s Kepler space telescope has identified 219 new exoplanet candidates, 10 of which are near-Earth size and in the habitable zone of their star.
June 21, 2017
Space gardening
Future space outpost dwellers will need to grow plants for food and to recycle air and water. Here's what scientists are learning about space farming from plants grown on the ISS.
June 20, 2017
Elon Musk’s Mars manifesto
What if the cost of going to Mars as a colonist were less than US $200,000, or about the median cost of a house in the U.S.? Would you go? Elon Musk thinks many would.
June 18, 2017
Did our sun have a twin?
A new analysis suggests the likely answer is yes — though not an identical twin. And so did every other sunlike star.
June 14, 2017
Galaxies have aligned for 10 billion years
Most galaxies are randomly oriented in space, but the biggest ones often point toward their neighbors. A new study traces these alignments back into the early universe.
June 13, 2017
Amazing views of waltzing nearby stars
Astronomers used the Hubble Space Telescope to follow the 2 brown dwarfs in the Luhman 16AB system, as they move both across the sky and around each other.
June 11, 2017
