Leonard David

Making its public debut is China's next-generation crewed spacecraft.

That enigmatic U.S. military X-37B robotic space drone has now chalked up more than 500 days circling the Earth.

An increasing number of researchers are blueprinting low-cost and novel ways to further explore the Red Planet.

As space tourism blossoms and other nations develop their own human spaceflight programs, it's time to think seriously about implementing a space rescue capability, some experts say.

China's Tianwen-1 Mars mission — both the orbiter and Zhurong rover — will suspend operations for about 50 days starting in mid-September.

Space.com recently caught up with author and journalist Leslie Kean to discuss UFOs and where research into the puzzling objects is heading.

China’s meteoric rise in space science and exploration—along with its new partnership with Russia—is spurring U.S. experts to reconsider a long-standing prohibition on bilateral collaborations

Given the highly successful and ongoing flights of NASA's Ingenuity helicopter on Mars, engineers are turning their attention to future aerial craft for the Red Planet.

Russia's Nauka laboratory module is now slated to launch to the International Space Station (ISS) on July 21.

The release of the U.S. government's highly anticipated UFO report has whipped up a blend of reactions, from UFO groups to individuals in military, academic and scientific circles.

The U.S. government is set to release a UFO report soon, perhaps sometime this week. What will it say?

More than 13,700 people have signed a petition to NASA to name the space agency’s planned Lunar Gateway after Apollo 11 astronaut Michael Collins, who died last month at the age of 90.

The Pentagon just announced the creation of a task force to analyze and understand the "nature and origins" of UFOs. Here's what the much-hyped news means.

What conditions could lead to clashes in space? Is such a situation a given, or can conflicts be short-circuited ahead of time? Space.com asked experts for their thoughts.

Despite promising technology demonstrations, there is no one-size-fits-all solution for the growing problem of taking out the orbital trash

The upcoming atmospheric re-entry of a Chinese Long March 5B rocket body is a reminder of a much larger problem, experts say.

The Wednesday (April 28) launch of the Tianhe core module will be followed by a series of cargo and crew liftoffs aimed at completing the construction of China's space station by the end of 2022.

The X-37B space plane is being used to flight-validate the best ways to gather the sun's energy for power beaming from Earth orbit.

Work on Spaceport America is in full-swing, with the state-of-the-art space launch facility near Truth or Consequences, N.M. expected to become fully operational in 2011.

An explosion at California's Mojave Air and Space Port killed three workers and injured others for private spaceflight firm Scaled Composites.

Binnie retells it all in "The Magic and Menace of SpaceShipOne."

If you are perplexed by reports of unidentified aerial phenomena and possible visitations of alien spacecraft, you can take action with do-it-yourself sky-monitoring gear.

China's Tianwen-1 spacecraft fired its engines Monday (Feb. 15) to place it in a polar orbit around the Red Planet.

China's first fully homegrown Mars mission, Tianwen-1, rolled out to its launch pad at the Wenchang Space Launch Center in south China's Hainan Province today (July 17).

Space.com recently talked with Breakthrough Initiatives executive director Pete Worden about a signal coming from the vicinity of Proxima Centauri, and about the search for alien life more generally.