27 April 2015, 07:00 AM ET
Over 400,000 volunteer citizen scientists have helped to identify over 2 million new celestial objects and five new supernovas in a wealth of data collected by the SkyMapper telescope.
25 April 2015, 07:00 AM ET
This week, NASA and the space science community celebrated 25 years since the launch and deployment of the Hubble Space Telescope, an instrument with one of the greatest redemption stories in science history.
24 April 2015, 07:31 PM ET
In a geosynchronous orbit, a satellite orbits Earth at the same speed as the planet is turning, enabling it to stay in place over a single location.
24 April 2015, 06:10 PM ET
The Hubble Space Telescope, launched 25 years ago, will never land in a museum. But that doesn't mean all of Hubble's history will be lost. The observatory's legacy will live on in the artifacts from its quarter-century (and more) observing the universe.
24 April 2015, 04:53 PM ET
An interview with photographer Michael Soluri, who chronicled the leadup to the last servicing mission to the Hubble Space Telescope.
24 April 2015, 01:00 PM ET
The star Tau Ceti, which lies just 11.9 light-years from Earth, is thought to host five exoplanets, two of which have been posited to be potentially habitable. But a new study throws some cold water on these worlds' life-supporting ability.
24 April 2015, 10:45 AM ET
NASA's Mars Reconnaissance Orbiter captured a photo on April 8 that shows the car-size Curiosity rover cruising through a valley called Artist's Drive in the foothills of Mount Sharp.
24 April 2015, 10:01 AM ET
Kelsea Brennan-Wessels, from ESA's 'Earth From Space' series,
leads you through a tour of the United States' peninsula with imagery from the Sentinel 1-A satellite.
24 April 2015, 07:49 AM ET
24 April 2015, 07:18 AM ET
24 April 2015, 07:00 AM ET
While Hubble is healthy now, the telescope is not immortal. Serious problems could conceivably crop up in a number of different Hubble systems.
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.