07 November 2014, 06:08 PM ET
This treatment shows brightness changes in the coma of the comet. The imagery was snapped by the NASA's Mars Reconnaissance Orbiter between Oct. 17th-20th, 2014.
07 November 2014, 04:57 PM ET
A rare close encounter between Mars and a comet last month pummeled the Red Planet with cometary dust, which likely left a yellow glow in the Martian sky, scientists revealed today (Nov. 7).
07 November 2014, 04:37 PM ET
European scientists and engineers are gearing up to soft-land a robotic probe on the mysterious surface of a comet for the first time.
07 November 2014, 02:02 PM ET
Wormhole travel across the universe and supergiant black holes are just some of the wonders seen in the film 'Interstellar.' See how the film's astrophysics works in this Space.com infographic.
07 November 2014, 09:24 AM ET
A sunspot that was larger than Jupiter had a very active run between Oct. 19th-27th, 2014. According to NASA, its was the "largest active region on the sun since 1990."
07 November 2014, 08:14 AM ET
Rosetta has been studying Comet 67P/Churyumov-Gerasimenko for months, but the comet's southern side has always been cloaked in darkness. Now, light-scattering dust particles have allowed a fuzzy first glimpse of 67P's dark side.
07 November 2014, 08:00 AM ET
A probe is about to attempt an historic landing on a comet speeding through deep space next week. But Friday (Nov. 7), scientists are going to host a webcast discussing the bold work of soft-landing a spacecraft where none have gone before.
06 November 2014, 05:56 PM ET
The European Space Agency's Gaia mission, which launched in December 2013, should find about 21,000 alien planets over the course of its five-year mission and perhaps 70,000 distant worlds if it keeps operating for 10 years, the study found.
06 November 2014, 03:00 PM ET
The first samples collected by NASA's Mars rover Curiosity at the foot of a huge Martian mountain have provided some vital ground-truthing of data gathered from orbit.
06 November 2014, 02:01 PM ET
As many as half of all stars in the universe lie in the vast gulfs of space between galaxies, an unexpected discovery made in a new study using NASA rockets. These stars could help solve mysteries regarding missing light and particles.
06 November 2014, 02:00 PM ET
A close-up view of a flickering black hole jet has scientist rethinking how these enormous eruptions form.
06 November 2014, 12:10 PM ET
06 November 2014, 07:01 AM ET
The spectacular image, taken by the Atacama Large Millimeter/submillimeter Array (ALMA) in northern Chile, shows numerous concentric rings in the disk of dust and gas surrounding HL Tau, a sunlike star found about 450 light-years away from Earth.
06 November 2014, 07:00 AM ET
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA)in Chile have delivered stunning imagery of the star HL Tauri and its protoplanetary disc.
06 November 2014, 07:00 AM ET
Artists from the European Southern Observatory and the National Science Foundation have created impressions of a planet forming disc around a star.
05 November 2014, 01:14 PM ET
An amazing new photo taken by a NASA probe shows Saturn and its large moon Titan shining as pretty crescents in deep space.
05 November 2014, 01:00 PM ET
Several influential congresspeople are among those calling for a mission to Europa, which is regarded by many scientists as the best place to search for life beyond Earth.
05 November 2014, 12:02 PM ET
The latest of four fireballs seen on Monday, Nov. 3, was spotted over Japan.
05 November 2014, 11:00 AM ET
Three astrophysicists — Enectali Figueroa-Feliciano, Harry Nelson and Gray Rybka — share their preparations for three new dark matter experiments, and the likelihood that one of them will strike research gold.
05 November 2014, 07:00 AM ET
A probe chasing a comet is about to make a daring attempt to land on its deep-space target, and now, the robot's landing site officially has a name.
05 November 2014, 12:57 AM ET
In this dizzying space wallpaper, we see a crowded night sky filled with star trails, a result of the camera's long exposure time. The starlight is reflected back at numerous different angles toward the camera from the giant parabolic dish.
04 November 2014, 10:00 PM ET
Mercury is the smallest planet in our solar system and is known for its short years, long days, extreme temperatures and weird sunsets.
04 November 2014, 09:01 PM ET
Venus is the brightest planet in our solar system, has a hellish atmosphere, and is covered in volcanoes. Learn more about planet Venus here.
04 November 2014, 09:00 PM ET
Learn about planet Mars’ atmosphere, water supply and the possibility to support life, plus, findings from the Mars exploration rover mission.
04 November 2014, 08:00 PM ET
Scientists shot an acrylic sphere with a high-speed cannon to simulate how cosmic collisions might have shaped the asteroid Vesta.
04 November 2014, 05:10 PM ET
Cameras aboard the International Space Station captured a serene view of Hurricane Vance, which is heading toward Mexico's west coast.
04 November 2014, 07:00 AM ET
A new image taken by Cassini shows the sun glinting off the water of both northern polar seas.
03 November 2014, 11:04 PM ET
Learn about the discovery of dwarf planet Pluto, its fascinating orbit and atmosphere and the controversy surrounding its planetary status.
03 November 2014, 06:14 PM ET
Astronomers using a NASA space telescope are in the midst of a survey designed to figure out how galaxies in the young universe grew so quickly.
03 November 2014, 01:13 PM ET
Far away from any sunspot, a bright flare erupted on Nov. 1st, 2014, causing a C-class flare when some of its superheated plasma dropped back onto the Sun’s surface.
03 November 2014, 07:00 AM ET
The Rosetta spacecraft has detected some stinky compounds in the cloud of chemicals surrounding Comet 67P/Churyumov-Gerasimenko.
03 November 2014, 07:00 AM ET
The biggest sunspot to grace the face of the sun in more than two decades is rotating out of view, but it was responsible for kicking up some truly amazing solar activity this week.