A new computer simulation provides a brief glimpse at what makes stellar bombs tick.
A new website shows how light pollution spreads around the globe — using data gathered by its users.
Astronomers at the Extreme Solar Systems III conference announced several exciting results this week.
Astronomers have detected magnetic fields writhing around the Milky Way's central black hole.
Our current visitor from the Oort Cloud, rising into northern skies at last, can be glimpsed with binoculars low in the east before dawn. Spotting it will be especially easy on December 7th.
An exciting new mission takes the hunt for gravitational waves into space.
After taking us to Comet Catalina's doorstep, the Moon covers Venus in a spectacular daytime occultation visible from most of North and Central America on Monday, December 7, 2015.
Read on to find out what's new in the Jumbo edition of our popular Pocket Sky Atlas.
This month offers great variety in the night sky: planets (and a comet!) before dawn, a strong meteor shower, and a parade of bright stars after sunset.
Dynamicists predict that the larger of Mars's two moons will shatter to create a ring, slam into the planet — or both — in 20 to 40 million years.
Astronomers have taken a careful census of the smallest stars in our galaxy’s center.
Astronomers have spotted what appears to be a regular signal coming from the blazar PG 1553+113.
Here's a quick guide to the essential features that you should look for when buying your first telescope.
An ultra-deep survey has turned up a sizable object situated nearly 10 billion miles from the Sun — more distant than any known solar-system object.
High-mass stars may outshine and outweigh the Sun, but observations show all stars may have had a similar beginning.
This year's Leonid meteor shower, which peaks tonight, will offer modest numbers of "shooting stars" — but might reward you with some dazzling fireballs.
NASA's new remote observatory located on a windswept island in the mid-Atlantic provides a critical capability for tracking space junk.
Astronomers have caught a giant elliptical galaxy “shimmering” as its stars pulsate.
The Fermi Gamma-ray Space Telescope has discovered that almost all of the highest energy photons in the Large Magellanic Cloud come from two pulsars.
As ESA's comet orbiter enters its final year of operations, mission managers are deciding its fate.
Comet Catalina returns this month with naked-eye potential. Follow its every move with our guide and maps.
Four months after New Horizons' historic flyby, mission scientists have been amazed by unexpected discoveries — and by how some preconceptions about Pluto were flat-out wrong.
NASA’s Mars orbiter MAVEN has painted a detailed picture of how the solar wind robs the Red Planet of its atmosphere.
Big bits of Comet Encke are streaking into Earth's upper atmosphere and attracting attention around the world, as the Taurid fireball display of 2015 continues.
The presence of stars just 100 million years old in the Milky Way Galaxy’s central regions confirms our galaxy’s nonviolent past.