Organic molecules once thought to be produced only by life-forms have been found in two separate regions of space.
A Blue Origin engineer discusses the company's plans for the New Shepard, New Glenn, and Blue Moon spacecraft at the annual science fiction and fantasy convention, Dragon Con.
Find out what's up in your night sky during October 2017 and how to see it in this Space.com stargazing guide.
There might be ice hiding in the Martian equator, even though scientists previously thought that the substance couldn't exist there.
The Soviet Union's Sputnik 1 satellite took to the skies on Oct. 4, 1957, launching the space age and the Cold War space race. Here are a few fun facts you may not know about Sputnik 1 and its brief but world-changing mission.
The facility earned its wings Sunday (Oct. 1) with the launch of a World View Enterprises "Stratollite" balloon into the stratosphere.
The amount of carbon dioxide that humans will have released into the atmosphere by 2100 may be enough to trigger a sixth mass extinction, a new study suggests.
An asteroid about the size of a bus gave Earth a close shave this morning (Oct. 2), cruising well inside the orbit of the moon.
A leading official of China's space program confirmed Sept. 25 that the July failure of the country's largest launch vehicle will lead to delays to upcoming lunar missions, including one to return samples.
Some Trekkies weren't happy with first double-header episode of "Star Trek," saying it didn't feel like the rest of the franchise, but fear not: Trek lore is at the forefront of Episode 3.
A NASA/NOAA satellite captured images of Puerto Rico that reveal regions that are without power, due to Hurricane Maria. The images were then used to assist first responders on the island.
Astronauts at the International Space Station will be conducting three spacewalks over the next three weeks. NASA is hosting a live briefing today (Oct. 2) at 2 p.m. EDT (1800 GMT) to preview the spacewalks.
A $1.4 billion telescope project has finally gotten the go-ahead to resume construction high up on Hawaii's Mauna Kea volcano.
A new Lego BrickHeadz set featuring Boba Fett and Han Solo in carbonite will be available exclusively at New York Comic Con.
Neil deGrasse Tyson returns to the National Geographic Channel with a brand-new season of "StarTalk" tonight (Oct. 1).
See what's up in the night sky for October 2017, including stargazing events and the moon's phases, in this Space.com gallery courtesy of Starry Night Software.
A spacecraft flew past Earth on its way to an asteroid, lung samples landed from the International Space Station, Hurricane Maria hit Puerto Rico, and a unique asteroid pair was discovered in some of Space.com's top stories of the week.
NASA plans to publish a revised launch date for the first mission of its Space Launch System in October amid reports that the flight has been pushed back to nearly the end of 2019.
SpaceX plans to eventually phase out the big rocket, which has yet to fly, as well as its Falcon 9 booster and Dragon capsule to concentrate on the Mars-colonizing BFR (Big F***ing Rocket) system, company founder and CEO Elon Musk announced Friday.
NASA's OSIRIS-REx spacecraft now has some nice photos of home to look at during its long flight to a distant asteroid.