Astronomers have spotted a supermassive black hole in a stripped-down galaxy racing away from a near-fatal close encounter in the center of a galaxy cluster.
You won't want to miss the biggest, brightest full Moon in more than 68 years. Find out what makes this supermoon so special and how best to view it.
NASA's intrepid Mars rover gets a close-up view of a bizarrely shaped space rock that landed on the lower slope of Mount Sharp.
Arecibo Observatory, the world's largest single-dish active radar telescope in the world, may be shut down or even destroyed due to funding concerns.
Thanks to two aggressive search programs, the count of near-Earth asteroids has soared past the 15,000-object milestone. (None of them are likely to hit us.)
Astronomers have imaged a third star embedded in the spiral disk around a pair of baby stars, the first direct evidence of a process of star formation known as disk fragmentation.
The gas giant is emerging in the glow of dawn sporting an tumultuous North Temperate Belt.
Mars is still hanging around, and Venus is climbing higher each evening. Download our monthly astronomy podcast to get more stargazing info.
Michelle Thaller talks with three leading scientists about black holes - how do we know they exist, where do they come from, and how can we learn more about them without going too close?
New glimpses from the Mars Reconnaissance Orbiter and ongoing data analysis are revealing the fate of the Schiaparelli lander.
On Friday, October 28th, the waning crescent Moon and brilliant Jupiter get together for an early morning conjunction.
Astronomers have mapped neutral atomic hydrogen, which profuses the space between stars, in unprecedented detail to create a beautiful radio-wavelength portrait of the Milky Way.
A nova in Sagittarius, discovered a few nights ago by a Japanese amateur, has become bright enough to see in binoculars. Update: As of October 31st, the nova had been holding at about magnitude 8.0 for a week. It's temporarily designated TCP J18102829-2729590. This is not to be confused with another nova just above the…
Keep your eye on the northern sky. Auroras are in the forecast for the next couple nights courtesy of a "hole" in the Sun's corona. Update (October 25th): Since early this morning, a stronger than expected blast of solar wind has been ruffling Earth's magnetic field and stoking a strong geomagnetic storm. We're currently experiencing a G3 /…
A pair of high-resolution images taken from high above Mars appears to show the impact site of ESA's Schiaparelli lander.
Hubble images reveal a satellite orbiting one of the Kuiper Belt's biggest objects.
Two sources tens of millions of light-years away have sent puzzling X-ray flares blazing our way. Now astronomers think they might have the answer: intermediate-mass black holes.
Here's what we know so far about the fate European Space Agency's Schiaparelli mission.
After a 7-month journey from Earth and a 139-minute rocket burn, the ExoMars Trace Gas Orbiter has settled in around its new home.
Engineers have decided to keep the Jupiter probe, Juno, in its current orbit until an issue with its engine can be addressed.
The annual Orionid meteor shower is active all week, peaking Friday morning October 21st. If you're up before dawn, you might just see these Halley's Comet castoffs come to life.
NASA’s youngest Mars orbiter has watched clouds grow and detected an ozone accumulation on the Red Planet.
Planetary scientists haven't yet witnessed an active volcano on Venus, but a new study pinpoints a likely set of still-warm lava flows.
This eye-catching occultation occurs late on October 18th (West Coast) and early on the 19th (East Coast). It's a grazing event as seen from Los Angeles and Denver.
As Schiaparelli prepares to land on Mars, how are the other robotic denizens of the Red Planet doing?