White Dwarf Eats Mini Planet?
Astronomers have detected debris around a white dwarf that might be from one or more disintegrating rocky planets.
Closest Star-shredding Black Hole
The last hurrah of a star wrenched apart by a supermassive black hole tells astronomers what the stellar crumbs are doing.
False-color Maps of Ceres
New maps from NASA’s Dawn spacecraft reveal more about both the landscape and composition of the largest asteroid.
Waterlogged Salts on Mars
Scientists have confirmed that water-soaked salts likely create dark seasonal lines on Mars.
New Mid-size Black Hole
Astronomers think a bright X-ray source in the galaxy NGC 1313 is a mid-size black hole.
New Evidence for Black Hole Binary
Astronomers have confirmed that the quasar PG 1302-102 is probably a binary supermassive black hole, its members less than a tenth of a light-year apart.
Resonant Waves Might Heat Corona
Astronomers have detected waves working together in the solar atmosphere, potentially heating the gas through turbulence.
New View of Ceres’ Amazing Spots
The latest image from NASA's Dawn spacecraft reveals structure in the bright spots on the asteroid 1 Ceres.
Dwarf Bull’s-eye Galaxy Discovered
Astronomers have discovered that one galaxy of a nearby double-galaxy system has a giant, star-studded ring.
Teeny Supermassive Black Hole
Astronomers have identified the smallest supermassive black hole ever detected in a galaxy’s center.
Gigantic Protogalaxy in the Cosmic Web
Astronomers have found that a massive filament of gas in the early universe actually seems to be a humongous, galaxy-forming disk.
Microlensing Exoplanet Confirmed
Astronomers have confirmed the existence of an exoplanet found via microlensing — the first time they’ve been able to successfully follow up on this method.
Aurora on a Dwarf Star
Astronomers have detected what looks like auroral emission on an ultra-cool star.
Put a Name on Hayabusa 2’s Asteroid
Submit names for Hayabusa 2's target asteroid, 1999 JU3. Deadline is August 31st!
New Horizons Buzzes Pluto
NASA’s New Horizons spacecraft whizzed by Pluto this morning just before 8 a.m. EDT at nearly 14 km/s (31,000 mph), about 12,500 km (7,750 miles) above the surface.
Rosetta Spots Sinkholes on Comet
The spacecraft orbiting Comet 67P/Churyumov-Gerasimenko has found 18 holes in the nucleus's surface.
Dust-poor Early Galaxies
New ALMA observations reveal low levels of dust in nine early galaxies, suggesting astronomers should revise some of their calculations.
The Glint of Martian Glass
Scientists have detected glass in Martian craters, created by the fierce heat of impacts that melted the Red Planet’s surface.
Asteroid Tour: Fly Over Ceres
Visit the dwarf planet Ceres in this video animation created from images taken by NASA’s Dawn spacecraft.