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27 May 2012, 09:41 AM ET
From complete coverage of SpaceX historic flight to your favorite photos of the solar eclipse, it's been a busy week in space.
27 May 2012, 07:36 AM ET
See amazing images of the annular solar eclipse, the SpaceX capsule landing on the ISS and more in the best photos for the week of May 27, 2012.
25 May 2012, 05:32 AM ET
Aliens advanced enough to visit Earth probably wouldn't need anything from us, Jill Tarter says.
24 May 2012, 06:24 AM ET
The planetary candidate could be evaporating from the intense heat of its parent star.
23 May 2012, 01:07 PM ET
In 1882, scientists determined Earth’s distance from the Sun by measuring the Venus Transit. This process, now applied in NASA orbiting Kepler Mission, discovers new planets by measuring the light-curve of transit across other stars faraway.
22 May 2012, 09:46 AM ET
Tarter will begin fundraising for the SETI Institute full-time.
22 May 2012, 09:45 AM ET
Tarter will shift to fundraising for the SETI Institute full-time.
20 May 2012, 01:44 PM ET
From complete coverage of the solar eclipse to Smokey Bear on a rocket, it's been a busy week in space.
20 May 2012, 11:46 AM ET
See an amazing new view of Earth, the launch of a Russian rocket and more in the best photos for the week of May 20, 2012.
18 May 2012, 07:00 AM ET
Researchers are keying in on methane as a possible indicator of alien life.
17 May 2012, 07:01 AM ET
Seth Shostak, a senior astronomer at the SETI Institute, talks all things "Battleship."
16 May 2012, 07:01 AM ET
From Enceladus and Titan to Europa and Mars, here are the likeliest spots to find extraterrestrials.
15 May 2012, 07:00 AM ET
The "Scarecrow" test rover went out to California's Mojave Desert last week.
12 May 2012, 08:06 AM ET
From the winner of a seat to space to photos of the supermoon sinking, it's been a busy week in space.
12 May 2012, 07:20 AM ET
See amazing views of a squashed supermoon and more in the best photos for the week of May 12, 2012.
10 May 2012, 02:01 PM ET
A second look at observations from the Kepler telescope revealed a planet missed the first time.
08 May 2012, 05:00 PM ET
The feat reveals new details of the weird alien super-Earth 55 Cancri e.
08 May 2012, 03:42 PM ET
The uninhabitable Planet 55 Cancri E is about double the size of Earth and was discovered in 2004. Capturing infrared light (Spitzer's specialty) from a small planet beyond our solar system is a big stepping stone in the search for life.
08 May 2012, 03:04 PM ET
Mars' atmosphere may have been roughly 20 times thicker 3.5 billion years ago than it is today.
08 May 2012, 03:00 PM ET
See what scientists think the nearby alien planet 55 Cancri e looks like.
07 May 2012, 05:46 PM ET
The BOLD mission would cost $300 million or less, researchers say.
07 May 2012, 07:36 AM ET
From the bright supermoon to earth-like alien planets munching on stars, it's been a busy week in space.
07 May 2012, 05:44 AM ET
See amazing views of the Supermoon, a rubber chicken in orbit and more in the best photos for the week of May 6, 2012.
04 May 2012, 03:04 PM ET
The goal is to gauge the composition of Venus' atmosphere.
04 May 2012, 08:00 AM ET
Gullies on Mars form in unlikely places.
