01 September 2015, 07:33 AM ET
Eye-popping Venus, low-riding Mercury and stealthy Saturn will all make appearances among the bright objects in September's night sky, and this day-by-day description shows how to find them.
31 August 2015, 06:01 PM ET
Six scientists will live together, but totally isolated from the rest of the world, in a mock Mars colony for 365 days to learn about the psychological toll of a mission to Mars.
31 August 2015, 05:26 PM ET
Denmark's first astronaut is launching on a ten-day taxi flight to the International Space Station, taking with him a Danish toy that is known worldwide. Andreas Mogensen will fly to the station with LEGO minifigures bearing the official logo of his missi
31 August 2015, 04:45 PM ET
Active Region 2403 was very lively between Aug. 21-26, 2015. NASA Solar Dynamics Observatory snapped imagery of the Sunspot group writhing across the surface and breaking up into several distinct groups.
31 August 2015, 03:06 PM ET
Cassini has once again turned to Enceladus, the enigmatic moon of Saturn.
31 August 2015, 03:01 PM ET
Europe's XMM-Newton telescope took an X-ray scan of the Milky Way's core, capturing some dazzling high-energy delights.
31 August 2015, 02:48 PM ET
NASA began an early feasibility study for missions to the distant, mostly-ignored ice-giants Uranus and Neptune, a senior agency official said here Aug. 24.
31 August 2015, 02:30 PM ET
Stephen Petranek thinks humans will live on Mars within 20 years, and he states his case in a new book, "How We'll Live on Mars."
31 August 2015, 02:27 PM ET
The science fiction comedy movie favorite "Galaxy Quest" is one step closer to becoming a television series: Amazon Studios has purchased the project from Paramount Entertainment.
31 August 2015, 12:55 PM ET
Aquarius and Capricornus host a couple of star clusters that can be revealed in detail with a telescope. Saturn is visible after nightfall. Mars, Venus and Jupiter are pre-dawn planets this month. Lastly, a Supermoon...
31 August 2015, 10:27 AM ET
On Sept. 27th, 2015, Earthlings will be treated to a skywatching event not seen seen 1982. The 'Supermoon' will also turn a reddish hue due to the moon passing directly behind the Earth, into its shadow.
31 August 2015, 07:00 AM ET
NASA already plans to launch a spacecraft to the Jupiter moon Europa in the early to mid-2020s, and it's also mulling a mission to the Saturn satellite Enceladus that would lift off by the end of 2021.
30 August 2015, 11:24 AM ET
If funded, the tiny Twinkle telescope will look at the atmospheres of close alien planets, including "super-Earths."
30 August 2015, 11:10 AM ET
Mars One seeks billionaires, Ceres and Dione get close-ups, a Martian hoax is debunked and Stephen Hawking solves a black hole conundrum in Space.com's top stories for this week.
30 August 2015, 11:00 AM ET
A Japanese cargo ship that arrived on Monday at the space station delivered an astrophysics telescope that will join the flagship Alpha Magnetic Spectrometer in hunting for cosmic rays.
30 August 2015, 06:59 AM ET
As astronomers get closer to finding potential signatures of life on faraway planets, a new mathematical description shows how to understand life's spread — and to determine if it's jumping from star to star.
29 August 2015, 07:29 AM ET
The "Sturgeon Moon" will grace the sky tonight (Aug. 29), but it is only a dress rehearsal for next month, when the full moon will undergo a total lunar eclipse.
28 August 2015, 09:33 PM ET
From stunning rainbow jets to Saturn's Moon Dione, don't miss these amazing space images.
28 August 2015, 06:15 PM ET
The New Horizons team has selected an object named 2014 MU69, which lies roughly 1 billion miles (1.6 billion kilometers) beyond Pluto, as the next target for up-close study by the spacecraft, NASA announced today (Aug. 28).
28 August 2015, 05:18 PM ET
Venus has spent the summer in the western evening sky, but come fall, it will instead appear in the east before sunrise.
28 August 2015, 05:15 PM ET
Space weather events that have been building over the last week continued to affect Earth early this morning (Aug. 28), increasing the possibility of enhanced aurora sightings near the North and South poles.
28 August 2015, 04:59 PM ET
Stuart Robbins helped plan the New Horizons' mission as a post-doc student at the Southwest Research Institute. He "strived from realism" when he plotted the Pluto system with his 3D software and "attached a camera" to the trajectory data.
28 August 2015, 03:53 PM ET
If NASA reviewers concur, the ex-Pluto probe will begin 4 maneuvers in late October/early November 2015 to be directed to the icy object 2014 MU69. New Horizon's principal investigator believes it’s the kind of ancient (Kuiper Belt Object) NASA want
28 August 2015, 03:24 PM ET
Astronaut Scott Kelly and cosmonaut Gennady Padalka took the Soyuz TMA-16M spacecraft out for a ride to change parking spaces. The "brief flyover and redocking" occurred on August 28th, 2015.
28 August 2015, 11:05 AM ET
Rainbow jets of gas blast away from twin dying stars in the Hubble Space Telescope's vivid new shot of the Twin Jet Nebula.
28 August 2015, 07:00 AM ET
The Syfy network's space-based TV series "Dark Matter" wraps up tonight (Aug. 28) with back-to-back episodes and a shocking revelation.
28 August 2015, 07:00 AM ET
Whizzing across the solar system to a pinpoint landing is still just a dream for robotic spacecraft engineers — but a new technology co-developed at the Jet Propulsion Laboratory (JPL) could make distant destinations easier to reach precisely.
28 August 2015, 07:00 AM ET
A team of scientists determined that signs of non-Earth-like life could be identified more easily on exoplanets orbiting stars producing relatively low amounts of radiation — but even then only if everything worked out just right.
27 August 2015, 06:19 PM ET
The author of "The Martian" suspects a lack of cooperation from Congress will push NASA's first manned mission to the Red Planet back to the middle of the century.
27 August 2015, 05:05 PM ET
NASA's next nuclear-powered Mars rover, slated to launch in 2020, is slowly coming together. And while the Mars 2020 mission is largely based on NASA's Mars rover Curiosity now exploring the Red Planet, there are a variety of distinctions that set it apar
27 August 2015, 03:41 PM ET
One drogue and one main parachute were intentionally Not deployed in the 'failure scenario.' Orion passed with flying colors. The next generation NASA capsule was dropped over the Arizona desert on Aug. 26th, 2015.
27 August 2015, 01:46 PM ET
Behind-the-scenes photographs reveal how the water storage tanks deep inside NASA's space shuttles Atlantis and Endeavour were extracted by the space agency for their use onboard the International Space Station.