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Is this the largest feature in the universe?
Astronomers have found what appears to be the largest feature in the universe: a ring of gamma ray bursts - and hence galaxies - 5 billion light years across.
August 7, 2015
How sunlight pushes asteroids
What makes the difference between a near-miss asteroid and a potential hit? Scientists think it might be related to a force called the Yarkovsky effect.
August 6, 2015
Tracking an oddball group of near-Earth asteroids
Astronomers have traced some mysterious near-Earth asteroids back to their likely source.
August 4, 2015
Breakthrough Listen not all about aliens
New SETI project will scan the skies for signs of alien communications, but might also unveil other secrets about the universe.
August 4, 2015
What the Philae comet lander found
Philae data suggest that organic compounds - which eventually translated into living organisms here on Earth - existed in the early solar system.
August 3, 2015
A third of Milky Way stars have changed orbit
Astronomers have created a new map of the Milky Way that shows that about 30 percent of the stars have traveled a long way from the orbits they were born with.
August 3, 2015
Seeing the star with nearest rocky planet
How you can see the star HD219134, announced last week to have the nearest rocky exoplanet. Plus ... the star's proper motion, captured by an amateur astronomer.
August 3, 2015
First maps of Charon and Pluto
Many features on Charon informally named from science fiction, particularly Star Trek and Star Wars. Lord of the Rings, Stanley Kubrick also honored.
August 1, 2015
Found! First aurora beyond solar system
Found on a brown dwarf some 18 light-years away, this aurora is 10,000 times more powerful than any astronomers have witnessed before.
July 29, 2015
New names and insights about Ceres
The Dawn spacecraft is now moving to its third mapping orbit. Nothing new on the bright spots yet, but the crater that contains them has a new name: Occator.
July 28, 2015
