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03 January 2015, 08:55 AM ET
The 2015 Quadrantid meteor shower peaks tonight (Jan. 3), but the bright moonlight may outshine these dazzling 'shooting stars.' Here is how to see the annual Quadrantids.
02 January 2015, 03:11 PM ET
Currently hovering very low in the southwest twilight sky near the setting sun these evenings is the most brilliant of the planets: Venus. And in the New Year, this planet will truly shine.
02 January 2015, 01:57 PM ET
The 'Zero Gravity Day' hoax currently spreading on the Internet was actually an April Fools' Day joke told in 1976.
02 January 2015, 01:23 PM ET
See amazing, and sometimes hilarious, photos of fun in weightlessness in these zero gravity photos on airplanes and spacecraft.
02 January 2015, 12:37 PM ET
Cosmonaut Boris Morukov, a physician and researcher who flew on a U.S. space shuttle to the International Space Station and led a 520-day simulated mission to Mars, died on Jan. 1. He was 64.
02 January 2015, 07:00 AM ET
A recent Search for Extraterrestrial Intelligence (SETI) effort studied 86 candidates in the Kepler space observatory's field for radio signals that could potentially indicate the presence of an intelligent civilization.
02 January 2015, 07:00 AM ET
How habitable was Mars in the past, and does it have signs of life? This is part of what Mars 2020, a successor to Curiosity, will examine when it arrives on Mars.
01 January 2015, 07:00 AM ET
Stargazers can start the New Year off with a bang this weekend as the first meteor shower of 2015 reaches its peak on Saturday night (Jan. 3). Here's how to see the 2015 Quadrantid meteor shower.
01 January 2015, 12:30 AM ET
The six astronauts onboard the International Space Station will ring in the New Year floating 240 miles above the Earth.
01 January 2015, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in December 2014.
31 December 2014, 01:50 PM ET
The vast majority of people who want to fly to suborbital space and back are medically fit to do so, according to researchers at Virgin Galactic, which is developing the commercial spaceliner SpaceShipTwo.
31 December 2014, 12:22 PM ET
'Interstellar' star Jessica Chastain isn't content to explore the universe just on the silver screen. The actress appears in a new NASA video hailing the agency's efforts in space science and exploration.
31 December 2014, 11:50 AM ET
The Geminids come from an asteroid, 3200 Phaethon, but scientists are still trying to figure out exactly how it sheds enough debris to produce the bright meteor shower.
31 December 2014, 11:32 AM ET
Retired Canadian astronaut Chris Hadfield is asking to hear your resolutions for 2015 in a new video released by the famous spaceflyer on Dec. 27.
31 December 2014, 10:40 AM ET
Problems with NASA's Mars Exploration Rover Opportunity's flash memory have intensified over recent weeks, so Discovery News Space Producer Ian O'Neill spoke with NASA Project Manager John Callas about the severity of the glitches.
31 December 2014, 09:00 AM ET
January's sky includes eclipses of the moon and sun, as well as comets and more. Find out what's up in your night sky and how to see it in this Space.com stargazing guide.
31 December 2014, 08:07 AM ET
See what's up in the night sky for January 2015, including stargazing events and the moon's phases, in this SPACE.com gallery courtesy of Starry Night Software.
31 December 2014, 08:05 AM ET
NASA has proposed a new citizen science challenge called the 20-20-20 Airship Challenge that calls for high-altitude and long-duration airship designs.
31 December 2014, 08:00 AM ET
Look to the skies in 2015 to see total eclipses, amazing planets and meteor showers. Here are some of the most noteworthy skywatching events coming up next year. Space.com will provide more extensive coverage of most of these events as they draw closer.
31 December 2014, 07:00 AM ET
Researchers suggest that photosynthesis could take place on an alien planet with a bizarre orbit like Mercury's, potentially helping support complex life.
30 December 2014, 08:03 PM ET
NASA's Barry Wilmore and Terry Virts send their well wishes from the International Space Station.
30 December 2014, 07:34 PM ET
The latest episode of the Space Telescope Science Institute's "Tonight's Sky", learn where to find Venus, Mercury, Jupiter and Saturn. Constellation of Auriga, bright star Capella and the Pleides star cluster highlight the month.
30 December 2014, 04:07 PM ET
The Martian surface is covered with a diverse array of landscapes and features, but this is one of the weirdest: strange spider-like formations that cover the south polar region of Mars.
30 December 2014, 03:59 PM ET
The voice of the late astronomer Carl Sagan plays over footage of the recent test flight of the Orion spaceship, in a new video by Space City Films.
30 December 2014, 02:48 PM ET
NASA's flight control team in Houston wished International Space Station commander Barry "Butch" Wilmore a happy 52nd birthday on Dec. 29th, 2014.
30 December 2014, 01:36 PM ET
A mystery object at the center of the galaxy has astronomers scratching their heads, and a new piece of information won't be solving the case before the New Year.
30 December 2014, 12:56 PM ET
How do you celebrate a birthday in space? A NASA astronaut on the International Space Station found out how to have a cosmic birthday party Monday (Dec. 29).
30 December 2014, 12:22 PM ET
Tiny CubeSats could soon play a big role in space exploration. For example, one of these miniature satellites — NASA's 'IceCube' craft — is set to blast off in 2016 to test technology for a future mission.
30 December 2014, 09:34 AM ET
The Dawn mission will arrive at the dwarf planet in March 2015. The probe uses an ion engine to propel it throughout the solar system. Find out how they work.
30 December 2014, 07:02 AM ET
Rocky, close-orbiting exoplanets may be stretched out by their parent stars' gravity, researchers say. Such worlds would be extremely hot and and likely inhospitable to life.
30 December 2014, 07:00 AM ET
Dawn has officially entered the Ceres approach phase, after recently emerging from behind the sun relative to Earth and thus coming back into reliable communication range. The probe will enter orbit around Ceres on March 6.
29 December 2014, 06:46 PM ET
The 'Interstellar' actress talks about the early stages of the space agency's exploration agenda.