14 February 2012, 01:44 PM ET
The sun may have started out 2 to 5 percent more massive than it is now.
09 February 2012, 04:43 PM ET
Russian scientists have drilled 13,000 feet below Antarctica to the Lake Vostok, sealed off to the world for at least 14 million years, and if life can be found there, it may be possible in similar conditions on Europa and Enceladus.
03 February 2012, 12:11 PM ET
NASA's Suomi NPP satellite is snapping amazing views of Earth from space, but there's a secret to the photos.
02 February 2012, 08:00 PM ET
The view of our planet from orbit can't be beat.
30 January 2012, 02:03 PM ET
Space station astronauts caught this stunning panoramic view of nighttime in Europe.
28 January 2012, 04:48 AM ET
Spectacular space images filled the last week of January, including one stunning photo from NASA's newest Earth-watching satellite and a brilliant image of a shooting star soaring over castle ruins.
25 January 2012, 02:36 PM ET
A 'Blue Marble' image of the Earth taken from the VIIRS instrument aboard NASA's most recently launched Earth-observing satellite - Suomi NPP in this amazing space wallpaper.
25 January 2012, 02:13 PM ET
NASA's newest Earth-observing satellite has sent back a stunning image of our home planet.
20 January 2012, 11:44 AM ET
On January 19th, 2012, the Sun produced an M3-class solar flare and the ensuing coronal mass ejection was pointed towards Earth. Fierce geomagnetic storms are possible when it reaches the planet on January 21st.
19 January 2012, 04:07 PM ET
While flying over a stormy Africa, astronauts aboard the International Space Station captured stunning imagery of the Milky Way and the comet that lived.
18 January 2012, 11:23 AM ET
The image taken by a DigitalGlobe satellite shows the vast cruise ship as it appears from space.
18 January 2012, 09:31 AM ET
The tilt of the Earth's axis and it's variation in speed causes the graceful pattern.
17 January 2012, 12:03 PM ET
Such blooms are common in the southern oceans during spring and summer.
14 January 2012, 01:00 PM ET
A popular saying about the view from orbit — that the lines between countries aren't visible — is a myth, says one astronaut.
12 January 2012, 12:45 PM ET
Measurements from above will lead to understanding what's under the volcano.
10 January 2012, 02:26 PM ET
The Fukushima nuclear meltdown and climate changed factored into the doom decision.
09 January 2012, 02:17 PM ET
Atomic scientist group to decide whether humanity is closer to doom.
09 January 2012, 07:31 AM ET
A protective case protects the iPad from a 100,000-foot drop.
06 January 2012, 02:22 PM ET
Attached to a weather balloon, an Apple iPad was lifted to over 100,000 feet and dropped back down to Earth encased in G-Form Extreme Edge case. It remained on throughout the drop and landed fully functional.
05 January 2012, 04:15 PM ET
Mineral was discovered during Apollo 11 mission.
05 January 2012, 01:42 PM ET
The failed Russian mission to one of Mars' small moons was captured by Thierry Legault and Emmanuel Rietsch ( http://legault.perso.sfr.fr ) on New Year's Day 2012. The spacecraft may crash back to Earth on January 15th.
05 January 2012, 07:01 AM ET
The Earth passed its perihelion point of its orbit late on Jan. 4.
04 January 2012, 10:50 AM ET
Right now, orbiting the Earth, human-made space debris bits number in the 10's of thousands. And the threat multiplies, even if no new rockets are launched. The director of a new IMAX documentary speaks about it.
30 December 2011, 05:27 PM ET
It takes many years for these giants to melt.
29 December 2011, 05:55 PM ET
Scientists at Caltech have used laboratory setups to put iron through the rigorous, high-pressure conditions inside the Earth to better understand its behavior there.
29 December 2011, 07:00 AM ET
The Red Sea has a new inhabitant: a smoking island.
28 December 2011, 10:04 AM ET
Scientists with lasers and mirrors are refining a new way to track the Earth's rotation.
16 December 2011, 03:17 PM ET
NASA's NPP satellite gets a complete view of our planet every day.
12 December 2011, 02:08 PM ET
NASA's Dawn mission currently orbiting Vesta has revealed signs of differentiation - a process where dense materials sink to the center and less dense rise to the surface. This is a characteristic of a terrestrial planets such as our own.
02 December 2011, 10:40 AM ET
This partial eclipse was the first of four to occur in 2011 and it’s rare to see so many within the same year.
17 November 2011, 10:37 AM ET
The unmanned Shenzhou-8 spacecraft landed on November 17 in China, marking its successful separation and return to Earth from the Tiangong-1 space station. This animated look shows the dock, separation and landing.
15 November 2011, 01:56 PM ET
A time-lapse video that strings together photographs taken by space station astronauts shows Earth in all its glory.
14 November 2011, 01:51 PM ET
11 days after its launch, NASA's NPP satellite sends back its first science data.
14 November 2011, 12:12 PM ET
A look at the colors of Mars and why the surface looks red from Earth. The reality is that there are a variety colors on the surface of the Red Planet, including butterscotch, gold, even some green and more.
11 November 2011, 03:03 PM ET
The space rock apparently formed out of the same stuff that became Earth, Venus and Mercury.
11 November 2011, 01:20 PM ET
Properties of asteroid Lutetia have been found to be similar to the original material that formed the Earth. The animation depicts what is thought to have caused its drastic change in orbit to now reside in the asteroid belt between Mars and Jupiter.