28 April 2010, 01:03 PM ET
Scientists have found water ice for the first time on the surface of an asteroid – a discovery that could help explain how Earth got its oceans.
22 April 2010, 11:02 AM ET
NASA centers across the nation mark Earth Day by inviting all to learn about the agency's contributions to exploring and protecting our home planet.
22 April 2010, 09:55 AM ET
Since the dawn of the space age, satellites, spacecraft and astronauts have changed mankind's view of our home planet, showing us the beauty and fragility of the Earth in images taken from space.
14 April 2010, 02:23 PM ET
Space pioneer Robert Bigelow is now setting his sights on a quick-deploy moon base capable of housing up to 18 astronauts in inflatable modules on the lunar surface.
08 April 2010, 02:04 PM ET
Volcano hotspots on Venus may have been recently active.
02 April 2010, 05:04 PM ET
Astronauts on the International Space Station have taken a record number of photos of Earth from space.
02 April 2010, 04:17 PM ET
Astronomers were able to assemble one of the first 3-D perspectives of the supernova remnant Cassiopeia A by observing light that is reflected off of interstellar dust throughout the Milky Way.
03 March 2010, 01:02 PM ET
Astronauts in space have taken photographs of Chile in the aftermath of the country's devastating 8.8-magnitude earthquake.
02 March 2010, 10:02 AM ET
The Chilean earthquake may have shortened the length of days on our planet.
26 February 2010, 08:22 AM ET
Since last summer, the dominant evening planet was Jupiter, but now Venus has emerged.
22 February 2010, 02:21 AM ET
NASA's Sunday landing of the shuttle Endeavour was photographed from space from the station's new observation deck.
14 February 2010, 10:53 AM ET
The gulf between Earth and space hasn't kept astronauts in orbit from sending a valentine to their favorite planet.
10 February 2010, 04:27 PM ET
Astronauts aboard space shuttle Endeavour had to wait an uncommonly long time to board the International Space Station.
05 February 2010, 02:50 AM ET
When space shuttle Endeavour launches early on Sunday morning, Feb. 7, it will also likely be the last opportunity to see a space shuttle blast off at night.
28 January 2010, 02:06 PM ET
New model of planet formation and migration explains why proto-Earth didn't fall into the sun.
28 January 2010, 02:01 PM ET
Two spacecraft have beamed back new pictures of Earth taken from the vantage point of the moon, which offers a view of our planet as a full globe.
22 January 2010, 05:31 PM ET
The United States must do more to safeguard the Earth against destruction by an asteroid than merely prepping nuclear missiles, a new report found.
21 January 2010, 04:35 AM ET
Sun glints on Earth were captured by NASA's Deep Impact spacecraft as it looked at the north pole from space.
20 January 2010, 07:43 AM ET
Bigelow Aerospace is gearing up for a full-scale assault on space to build private space habitats.
12 January 2010, 05:15 PM ET
A weird object passing by Earth Wednesday is likely just a small, harmless asteroid, NASA says.
04 January 2010, 10:36 AM ET
NASA Kepler mission finds five exoplanets with very low densities, observes starquakes.
30 December 2009, 01:03 PM ET
Russia is considering whether to launch a spacecraft capable of moving a huge asteroid called Apophis in a bid to protect Earth from the remote chance of an impact.
18 December 2009, 04:26 PM ET
A NASA satellite has created a new map of so-called "night-shining clouds," which form at high latitudes on Earth and glow even after the sun sets.
17 December 2009, 03:28 PM ET
Cameras over poles spot auroras colliding for first time.
17 December 2009, 09:44 AM ET
When sun is at minimum in solar cycle, outer layers of Earth's atmosphere cool substantially.
17 December 2009, 07:18 AM ET
By studying the signatures of fossil life on Earth, geobiologists can get a clue of what to look for when hunting for extraterrestrial life on Mars.
24 November 2009, 07:12 AM ET
In his stunning new film "Oceans", French nature director Jacque Perrin praises satellites as a "divine balcony" from which humankind can witness our changing planet.
12 November 2009, 02:44 PM ET
Rosetta captures brilliant photo of Earth.
16 October 2009, 01:44 PM ET
A small asteroid will miss Earth but will pass inside the moon's orbit.
07 October 2009, 08:37 AM ET
A coordinated network of Earth and space-based observatories are gearing up to watch NASA's LCROSS moon crash Friday.
25 September 2009, 12:44 PM ET
The Russian space agency, Roskosmos, has decided to postpone the launch of a mission to the martian moon Phobos from 2009 to 2011.
24 September 2009, 07:23 AM ET
Photographs of Earth taken by a camera lofted into the stratosphere by MIT students.
23 September 2009, 04:54 PM ET
Two MIT students recently launched a digital camera into the stratosphere on a helium balloon, capturing amazing views of Earth from up high.
17 September 2009, 09:03 AM ET
Even during low points in the Sun's solar cycle, solar winds still bombard the Earth, a new study finds
16 September 2009, 08:43 AM ET
One of the smallest exoplanets yet discovered has just been confirmed as a rocky world, scientists announced.
27 August 2009, 11:53 AM ET
Life may have been significantly affected in the past by a cosmic ray blast, but researchers are still looking for the smoking gun.