24 April 2015, 07:00 AM ET
A study of Yellowstone's hot springs has revealed new clues about how organic materials might get preserved in similar environments on the Red Planet, bettering our chances of finding possible signs of life.
24 April 2015, 12:22 AM ET
Top astronomers to handpick the Hubble Space Telescope image that has the most scientific relevance to them.
23 April 2015, 08:59 PM ET
23 April 2015, 04:59 PM ET
23 April 2015, 03:14 PM ET
NASA is celebrating the 25th anniversary of the Hubble Space Telescope with free do-it-yourself commemorative collectibles. NASA is offering a medallion, a model of the space telescope and a Hubble 'space ball.'
23 April 2015, 02:45 PM ET
Photographer Michael Soruri captures Hubble’s last servicing mission in his new book, “Infinite Worlds.” Here’s a sneak peak.
23 April 2015, 12:30 PM ET
An awe-inspiring landscape of multicolored dust and jewel-like stars has been unveiled as the official image of the 25th anniversary of the Hubble Space Telescope.
23 April 2015, 11:33 AM ET
Based on Hubble Telescope data, Space Telescope Science Institute’s (STSci) astrovisualization team produced this awe-inspiring journey through the heart of the star Westerlund 2 cluster.
23 April 2015, 10:52 AM ET
This stellar city, in the Carina constellation, 20,000 light-years away from Earth, is the home of many of our galaxy's hottest and brightest stars. Powerful winds from these powerhouses carve an incredible landscape in the gas of the nearby nebula.
23 April 2015, 07:54 AM ET
NASA is considering requesting money in next year's budget to eventually start using two space telescopes it received from the United States' spy satellite agency, a senior official told Space.com.
23 April 2015, 07:33 AM ET
See what's next after the Hubble Space Telescope, from a tech perspective.
23 April 2015, 12:49 AM ET
Exploding stars, whirling galaxies and bubbling nebulas can be seen on some of the massive screens that line New York City's Times Square.
22 April 2015, 12:20 PM ET
22 April 2015, 11:29 AM ET
22 April 2015, 10:36 AM ET
In 2010, President Obama set forth several initiatives for America’s space agency. This 2015 NASA video attempts to report on the status of those projects.
22 April 2015, 10:22 AM ET
A storm of sci-fi movie trailers hit the web this past week, featuring everything from iconic spaceships to parallel universes.
22 April 2015, 10:15 AM ET
Super-cold nitrogen geysers on Neptune’s moon Triton, and hot sulfurous plumes high above Jupiter’s moon Io, reveal how these fascinating worlds work. Watch ‘Secrets of the Universe’ on Hulu. http://www.hulu.com/secrets-of-the-universe
22 April 2015, 09:20 AM ET
NOVA's "Invisible Universe Revealed," which premieres on PBS Wednesday (April 22) at 9 p.m. EDT/8 p.m. CDT, takes viewers on a journey through the Hubble Space Telescope's eventful life.
22 April 2015, 07:37 AM ET
On the 25-year anniversary of the launch of the Hubble Space Telescope, Space.com talked with science writer Robert Zimmerman, author of "The Universe in a Mirror: The Saga of the Hubble Space Telescope and the Visionaries Who Built it."
22 April 2015, 07:13 AM ET
As Earth Day (April 22) reaches its 45th anniversary, NASA has a series of activities planned to celebrate the beauty of our home planet.
22 April 2015, 07:00 AM ET
Exoplanet 51 Pegasi b, located ~50 light years away in Pegasus, was suspected in 1995 from the motion of its star. Now the HARPS instrument at ESO’s La Silla Observatory has detected the spectrum of that star's visible light reflected off the planet.
22 April 2015, 07:00 AM ET
Scientists measured the spectrum of visible light reflected off the exoplanet 51 Pegasi b, which lies about 50 light-years from Earth. Back in 1995, 51 Pegasi b became the first alien world ever found around a sunlike star.
22 April 2015, 07:00 AM ET
An excerpt from the book "The Universe in a Mirror: The Saga of the Hubble Space Telescope and the Visionaries Who Built it," demonstrates how the Hubble telescope transformed humanity's view of the universe.
21 April 2015, 01:38 PM ET
When a massive star dies, it re-seeds the universe with elements to form more complex stars. When astronomers witness these cataclysms, they begin to think differently about how the universe works. Watch ‘Secrets of the Universe’ on Hulu. http://www.
21 April 2015, 12:04 PM ET
When HST can no longer do science, should we deorbit and destroy it, extend its life with another servicing mission, or boost it into a safe "museum piece" orbit? NASA's John Grunsfeld explains.
21 April 2015, 07:03 AM ET
Planetary scientist Paul Spudis has long been calling for humanity to return to the moon. He tells Space.com why manned exploration of Earth's nearest neighbor is so important.
21 April 2015, 07:01 AM ET
The science gleaned by NASA's Hubble Space Telescope over the last 25 years goes far beyond a handful of beautiful images.
21 April 2015, 07:00 AM ET
Astrophysicist Kip Thorne's book on black holes was a revelation for me in college, both for its science content and Thorne's willingness to engage the public.
21 April 2015, 02:36 AM ET
The Buran spacecraft was a space shuttle developed by the Soviet Union in response to NASA's space shuttle program. It flew one time.
20 April 2015, 04:23 PM ET
A 50-foot space rock (2015 HD1), similar in size to the one that slammed into the atmosphere two years ago, will skim Earth at a distance of about 36,700 miles (59,063 kilometers) or 0.2 Lunar Distance (LD) on April 21st, 2015.
20 April 2015, 02:58 PM ET
Today NASA launched a redesigned version of the website www.nasa.gov, which now puts heavy emphasis on images and social media.
20 April 2015, 02:25 PM ET
Dawn, which arrived at Ceres on March 6, imaged the mysterious bright spots on April 14 and 15 during a photography campaign designed to help guide the spacecraft to its first Ceres science orbit by April 23.