Latest articles by Space.com Staff
Hubble Telescope Sees Two Galaxies in Cosmic Dance
An elliptical and a spiral galaxy are pictured together in this new portrait from the Hubble Space Telescope.
NASA's Dawn Spacecraft Says Goodbye to Giant Asteroid Vesta
The probe is on its way to the even-bigger space rock Ceres.
Strange Star in Nearby Cluster Resists Aging
A star in the Messier 4 globular cluster appears to hold the secret of eternal youth.
Disintegrating Alien Planet Has Comet-Like Tail
The planet may be completely gone within 100 million years or so.
Twin Moon-Mapping Space Probes Begin Extended Mission
The Grail probes are designed to map the lunar gravitational field in unprecedented detail.
Astronauts to Take Extra Spacewalk Wednesday for Space Station Fix
Space station astronauts Sunita Williams and Akihiko Hoshide will venture outside for the second time in six days.
Astronauts Heading Deep Underground for Spaceflight Training
The six astronauts will enter a Sardinian cave system on Friday.
Jupiter-Bound Probe Changes Orbit in Deep Space
Another engine burn for Juno is planned this coming Tuesday.
Ghostly Night-Shining Clouds Get Their Glow from Meteor Smoke
Noctilucent clouds have puzzled scientists since they were first seen in the late 19th century.
Milky Way 'Haze' May Be Dark Matter Signature
Researchers have been looking for proof of dark matter for decades.
Gorgeous Cosmic 'Superbubble' Observed by X-Ray Space Telescope
This superbubble represents empty space carved out from exploding supernovas.
Blue Moon Wows Observers Around the World (Photos)
Amazing photos of the Aug. 31, 2012 blue moon were captured by skywatchers all over Earth.
Space Sugar Discovered Around Sun-Like Star
Astronomers found molecules of a simple form of sugar, known as glycolaldehyde, around a young star.
Eureka! 'Light Bulb' Solar Storm Erupts from Active Sun
The rounded coronal mass ejection was released by the sun on Aug. 20, 2012.
NASA Captures Amazing View of Tropical Storm Isaac at Night (Photos)
Before it grew into Hurricane Isaac, the tropical storm still looked fearsome in a NASA nighttime view.
Patrick Stewart Warps Into 'Futurama' Wednesday Night
The "Star Trek" alum plays a character called the Huntmaster.
Stunning Hubble Telescope 'Hidden Treasures' Revealed in Photo Contest
Some gorgeous cosmic images have been languishing in Hubble's archive, until now.
NASA to Broadcast 1st Song from Mars Tuesday
Rapper will.i.am has written a song called 'Reach for the Stars' that will premiere from space.
NASA's Moonwalking Apollo Astronauts: Where Are They Now?
A look at the 18 men who flew on manned moon landing missions.
NASA Holds Mars Rover Update Today: How to Watch Online
The Mars rover Curiosity update begins at 5 p.m. EDT.
Neil Armstrong, First Man to Walk on Moon, Dies at 82
Commander of Apollo 11 and the first man to walk on the moon has died.
First Milky Way Galaxy 'Twins' Found
The two newfound galaxies are spirals with two large companion galaxies, just like our own Milky Way.
