Astronomers have confirmed the existence of a 'bridge' of hydrogen gas connecting two of our neighboring galaxies, indicating that they may once have brushed together.
Beijing has reiterated its long-standing offer to cooperate with the United States in space.
The solar flare which erupted on March 7 was the most powerful eruption ever observed by Fermi's Large Area Telescope (LAT).
NASA has decided its precision landing gear is accurate enough to let it land the Curiosity Mars rover a lot closer to its target than expected.
China has announced plans for its first manned space docking, and says it will launch the mission as early as this month.
Scientists have discovered new types of organism living in one of the most inhospitable soils in the world - raising hopes that something similar could survive on Mars.
NASA believes it's spotted the dappled light of the first objects in the universe with the best precision yet.
A new video shot by NASA’s Dawn spacecraft depicts a dappled, variegated surface of the giant asteroid Vesta.
NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) may be the size of a refrigerator, but it will undoubtedly help astronomers discover some of the most interesting aspects of our universe.
As Venus made its transit the sun, spacecraft and ground-based telescopes ahave been looking for a phenomenon that's only recently been explained: the Arc of Venus.
NASA's Chandra X-ray Observatory has identified a massive black hole being ejected from its host galaxy at a staggering speed of several million miles per hour.
NASA’s Hubble telescope has captured a breathtaking image of planetary nebula NGC 7026.
NASA's NASA's Solar Dynamics Observatory (SDO) is hoping to use Venus's transit of the sun on June 5 to better calibrate its instruments.
Astronomers at Arizona State University have found the faintest galaxy yet, one of the ten most distant objects currently known in space.
Disappointingly, scientists say they've been able to establish where the methane on Mars comes from - and it's not from living organisms.
Look out: we're headed for a crash. In, ooh, just four billion years or so our Milky Way galaxy is set to collide with neighboring Andromeda.
A recent study by an international team of astronomers has determined that Earth's moon does indeed have a far-reaching, invisible influence on the Sun's solar wind.
Crew members of Expedition 31 aboard the International Space Station (ISS) unberthed the SpaceX Dragon capsule from the orbiting complex’s Harmony module early this morning.
By rights, the much fainter sun two billion years ago should have left Earth as a giant snowball, incapable of developing life.
Passenger spaceflight is a step closer to reality, following FAA approval for a powered test flight from Virgin Galactic later this year.