Stories by SPACE.com

NASA’s Veggie program takes a big step forward in its goal to learn how to grow more complicated plants in space

Elon Musk's venture follows up successful rocket landing on terra firma with one that nearly, but not quite, demonstrates a successful landing at sea

Private spaceflight company will try to land the first stage of its two-stage Falcon 9 rocket on an uncrewed ship in the Pacific

A brief rundown of the biggest spaceflight milestones to keep an eye out for this year

Another year of skywatching is upon us, and there's a lot to look forward to in 2016

Newly released documents describe the U.S. Air Force's secret cold war project known as the Manned Orbiting Laboratory

At dawn on Thursday, Dec. 31, the four brightest planets outline the ecliptic, the path followed by the sun and moon. The moon visits each in turn over the next week

Keep your eyes to the night skies because this won't happen again until 2034

After several previous failures, the historic rocket landing paves the way for a new era of faster, cheaper spaceflight

Recovering and reusing rocket stages could significantly reduce launch costs

On the centennial of the theory of general relativity, senior Fermilab scientist Don Lincoln reflects on Einstein's quest to understand the quantum world

Water from sources such as aquifers could last long enough to pool, with larger pools remaining liquid for at least a year, according to researchers

Findings from NASA’s Cassini spacecraft suggests winter in Titan's southern hemisphere will be even colder than predicted

Scientists photograph a gas-giant exoplanet forming around a young star that lies about 450 light-years from Earth

Rocky world found orbiting nearby red dwarf star, 39 light-years from Earth

New Horizons reveals the orbits of Pluto's four smallest moons to be even more chaotic than expected

New data from NASA's MAVEN mission reveals most of the Red Planet's atmosphere was stripped away

NASA astronaut Bill Shepherd recalls leading the first mission to the space station on November 2, 2000

Asteroid TB145 will make a near pass of our planet, offering astronomers a chance for an up-close radar view of its surface

The Cassini spacecraft will zoom just 50 kilometers above Enceladus at about 1 P.M. EDT on October 28

Astronomers detected 21 different complex organic molecules streaming from Lovejoy during its anticipated close approach to the sun this past January

Astronomers witness a white dwarf star ripping worlds to pieces in real time

Astronomers have now confirmed the existence of nearly 2,000 planets beyond our own solar system

The next week or two Uranus, Mercury, Jupiter and Mars are making notable appearances in the night sky