Billionaire entrepreneur and SpaceX and Tesla CEO Elon Musk unveiled a new line of flamethrowers for his tunneling project, The Boring Company, with a wild Instagram video.
Alien-life hunters shouldn't focus too narrowly on oxygen when scanning the atmospheres of exoplanets, a new study stresses.
Apollo 17 astronaut Jack Schmitt wishes NASA had brought a bigger moon rock to the December 2017 signing ceremony for Space Policy Directive 1.
The newfound sheets are buried by just a few feet of Martian dirt in some places, meaning it might be accessible to future crewed missions.
E.T. has nothing to do with the bizarre dimming events of the mysterious object known as Tabby's star, a new study reports.
Astronomers will soon get another look at the big, ghoulishly weird space rock that buzzed Earth on Halloween three years ago.
North Korea's latest test of an intercontinental ballistic missile (ICBM) suggests that the nuclear-armed rogue nation can now hit the U.S. East Coast, experts say.
If there are any intelligent aliens in the GJ 273 system, they can expect to hear from us about a dozen years from now.
Another potentially habitable planet has been found in Earth's neck of the cosmic woods, and it may be an even better life-hosting candidate than the famed Proxima b.
If humanity doesn't become a truly spacefaring species in the next five centuries or so, we may well go extinct, Stephen Hawking said, according to media reports.
Maybe intelligent life is widespread throughout the galaxy, but most of it lives in deep, dark subsurface oceans that are cut off from the rest of the cosmos.
The United States is launching another spy satellite on a secret mission early Saturday morning (Oct. 7), and you can watch the liftoff live.
Tonight (Sept. 28), SpaceX and Lockheed Martin will unveil their latest plans for getting people to Mars.