Space News Archive
09 March 2015, 07:00 AM ET
Our young sun may have routinely blasted Earth with gobs of energy more powerful than any similar bombardments recorded in human history.
08 March 2015, 12:48 PM ET
A powerful camera spotted a comet and scientists captured images of a supernova four different times. Here are Space.com's pics for the top space stories of the week.
07 March 2015, 02:34 PM ET
From an amazing photo of Comet Lovejoy captured by a dark energy camera to Comet 67P/Churyumov-Gerasimenko, don't miss these amazing space images of the week for March 7, 2015.
07 March 2015, 01:19 PM ET
"I just let go with one hand ... it was this incredible spectacular view"
07 March 2015, 08:45 AM ET
NASA's Dawn probe has begun orbiting Ceres, but the spacecraft still has some traveling to do before it starts taking the dwarf planet's measure. The spacecraft won't begin science operations until late April.
06 March 2015, 08:46 PM ET
In an interview with XPRIZE, former NASA astronaut Rusty Schweickart recalls how a minor camera malfunction (on the first spacewalk of the Apollo program) gave him five minutes of "incredible" Earth views to appreciate.
06 March 2015, 06:31 PM ET
The Feb. 27 short circuit that has halted some of the science work by NASA's Mars rover Curiosity, apparently originated in the robot's rock-boring drill, space agency officials announced Friday (March 6).
06 March 2015, 05:20 PM ET
In a blast from the space-age past, the National Archives released an awesomely retro 1965 advertisement for NASA's traveling outreach program, the Spacemobile.
06 March 2015, 05:20 PM ET
Calling all young astronomers and creative writers! The European Space Agency is asking for kids 12 and under to submit their most fantastic stories inspired by the stars for a chance to win a Stargazer Lottie doll.
06 March 2015, 04:01 PM ET
Researchers scanning the atmospheres of exoplanets for gases produced by living creatures should hunt for more than just oxygen, methane and other "biosignatures" that swirl about in Earth's air, MIT's Sara Seager says.
06 March 2015, 10:00 AM ET
NASA's Dawn probe arrived at Ceres today (March 6) at 7:20 a.m. EST, becoming the first spacecraft ever to orbit a dwarf planet, and the first ever to orbit two celestial bodies beyond the Earth-moon system.
06 March 2015, 07:30 AM ET
"We are about to…bloon" is part of a campaign request for dollars to help record the first-ever spherical video of an eclipse from the stratosphere.
06 March 2015, 07:30 AM ET
European governments have received no word from the U.S. Air Force in the month since the Feb. 3 debris-producing explosion aboard a military weather satellite in a heavily trafficked orbit but said they hadn’t expected any.
06 March 2015, 07:30 AM ET
The UN formally dissolved its Action Team 14, in recognition of the group's successful completion of its mandate to coordinate international mitigation efforts for near-Earth object (NEO) threats.
06 March 2015, 12:00 AM ET
If all goes according to plan on Friday morning (March 6), Dawn will become the first spacecraft ever to visit a dwarf planet, and the first to circle two different objects beyond the Earth-moon system.
05 March 2015, 06:14 PM ET
An observatory will celebrate the planned arrival of a NASA spacecraft at Ceres by streaming live images of the dwarf planet live online Friday (March 6).
05 March 2015, 06:00 PM ET
On Friday (March 6), NASA's Dawn spacecraft will slip into orbit around the dwarf planet Ceres. It's been a long journey for the probe and for the team of scientists and engineers assigned to the mission.
05 March 2015, 04:20 PM ET
Astronomers using the Hubble Space Telescope snapped  a cross-shaped pattern of 4 images of the same supernova. The images were discovered "around a giant foreground elliptical galaxy embedded in a cluster of galaxies."
05 March 2015, 02:01 PM ET
The fastest-known star in the Milky Way is on a path out of the galaxy, and new research suggests it was a supernova that gave it the boot.
05 March 2015, 02:01 PM ET
Albert Einstein's General Theory of Relativity celebrates its 100th anniversary in 2015. See the basic facts of Einstein's relativity in our infographic here.
05 March 2015, 02:01 PM ET
The famous theory, which Einstein published in 1915, remains the bedrock upon which scientists' understanding of the origin and evolution of the universe rests.
05 March 2015, 02:01 PM ET
Ancient Mars likely once had an ocean large enough to cover 20 percent of the Martian surface, a fifth of the planet, scientists say. But over time, most of that water was lost to space.
05 March 2015, 02:01 PM ET
For the first time, a cosmic magnifying glass has allowed scientists to see the same star explosion four times, possibly offering a revealing glimpse into these explosive stellar deaths and the nature of the accelerating universe.
05 March 2015, 12:09 PM ET
New research reveals that a compact helium star that's traveling out of the Milky Way galaxy was once donating its mass as part of a type Ia supernova pair. The spin of the star increased dramatically over time leading to its eventual ejection.
05 March 2015, 12:01 PM ET
About 4.5 billion years ago, the Red Planet was a much wetter place. New isotopic measurements of Mars by several ground-based telescopes on Earth reveal a new map of where the water laid and a model of water loss over time can be constructed.
05 March 2015, 07:18 AM ET
While NASA's Dawn probe will soon begin the first in-depth examination of Ceres, astronomers have learned a bit about the dwarf planet already. Here are seven weird facts about Ceres.
05 March 2015, 07:00 AM ET
A remote galaxy observed when the universe was less than a billion years old is more evolved than scientists expected.
05 March 2015, 07:00 AM ET
The European Space Agency's Rosetta spacecraft took the picture during a close flyby of Comet 67P/Churyumov-Gerasimenko on Feb. 14, when the sun, spacecraft and comet were all neatly aligned.
04 March 2015, 06:33 PM ET
March should be a great month for spotting planets for skywatchers, weather permitting. Venus is becoming increasingly more prominent in the evening sky, remaining above the horizon for 2.5 to 3 hours after the sun dips below the horizon
04 March 2015, 06:00 PM ET
The Stargazer Lottie doll — which comes with a realistic telescope, solar system collector cards and profiles of famous female astronomers — is being released this month in collaboration with the European Space Agency.
04 March 2015, 05:50 PM ET
Europe's Rosetta spacecraft recently beamed back an amazing photo of its comet taken during a risky, close flyby of the dusty cosmic body.
04 March 2015, 01:50 PM ET
Two astronauts in space said goodbye to a science fiction legend on Earth by beaming back striking photos from the International Space Station.