With its second data release, the European Space Agency's Gaia satellite has redefined the way we look at our galaxy.
To celebrate Hubble's 28th birthday NASA is releasing a brand-new image of the Lagoon Nebula, a vast stellar nursery.
The Transiting Exoplanet Survey Satellite (TESS) launched successfully on April 18th at 6:51 p.m. EDT aboard a SpaceX Falcon 9 rocket to survey the entire sky for new worlds.
China's first space station reentered Earth's atmosphere over the South Pacific after almost seven years in space.
NASA officials announced Wednesday that the James Webb Space Telescope launch would be delayed until approximately May 2020. But before the mission can launch, its managers may have to face Congress.
China's premier space station, Tiangong 1, has a one-way ticket into the Earth's atmosphere later this month. See it before it's no more.
NASA’s Juno spacecraft has found breathtaking cyclones at Jupiter’s poles and probed how deep the planet’s jet streams go.
A non-partisan government office has issued a report warning of additional delays for the James Webb Space Telescope, which could pit the mission against its funding cap.
The recent budget proposal for NASA dealt a blow to the astronomical community, putting several key missions — including WFIRST, a successor to Hubble — under the financial axe.
SpaceX made history on February 6th when the company successfully launched its long-awaited Falcon Heavy rocket from Kennedy Space Center in Florida.
Almost everyone considered Japan's Venus-bound orbiter a lost cause, but the spacecraft survived, reached its objective, and is wowing scientists with results.
Thick sheets of water ice, some barely buried beneath the surface and likely more than 100 meters thick, have been spotted on several Martian cliff faces.
The Kilopower fission reactor will offer a more efficient and more powerful portable power source for solar system exploration.
The next year will see space missions headed for Mars, Mercury, the Sun, and more. Asteroid rendezvous, exoplanet discoveries, and a Mars landing await.
NASA has selected two finalists for consideration as the next New Frontiers mission: a comet sample return and a flying drone for Titan.
NASA engineers directed the historic spacecraft Voyager 1 to fire its backup thrusters for the first time in 37 years.
NASA is developing a key instrument for a mission to the Martian moons, Phobos and Deimos.
A suborbital launch from Wallops Flight Facility tested a critical piece of landing hardware for the Mars 2020 rover.
Early next year, an international team will track the uncontrolled atmospheric reentry of Tiangong 1, China's first prototype space station.
Observations from NASA's MAVEN spacecraft reveal that the solar wind causes unexpected interactions with the Red Planet's weak magnetism.
Engineers are looking for a way to continue using Curiosity's drill after a 10-month hiatus, but restoring the drill will probably take several more months.
You'd think scientists would have Saturn all figured out after watching it up close for 13 years. They don't.
The long-awaited James Webb Space Telescope — the successor to the Hubble Space Telescope — has slipped its launch date by several months. It will now launch between March and June 2019.
The asteroid-bound Osiris-REX mission took time during last Friday's gravity assist maneuver to look back at its homeworld.
NASA's ambitious Osiris-REX asteroid sample return mission swings by Earth this Friday for a gravity assist en route to asteroid 101955 Bennu.