The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the ...

Sunspot AR3186 erupted with an X1-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Credit: NASA/SDO/HelioViewer| edited by Space.com's Steve Spaleta ...

ESA's Solar Orbiter captured a "tube of cooler atmospheric gases snaking its way through the Sun’s magnetic field," according to ESA. See it "slither" in these time-lapsed views. Credit: ESA & ...

After the Red Planet reemerged from conjunction — a period when NASA doesn't communicate with spacecraft because Mars is ...

NASA and SpaceX sent a crew to the International Space Station in the pre-dawn hours of Friday in the Florida coast’s first human spaceflight of the year.

NASA on Friday shared a stunning new view from the International Space Station. The timelapse video (see above) shows a view ...

The person who opened fire Monday during a youth hockey game at a Rhode Island ice rink was specifically targeting family members, killing an ex-wife and son as many fans dived for cover while a ...

American space resources company Interlune was awarded a $150,000 contract from NASA to advance its research into a lunar ...

Musk noted in a recent regulatory filing that he has had only one “low-velocity debris generating event” in seven years running Starlink, his satellite communications network. Starlink has operated ...

Charleston, SC, astronomy professor answers questions from high school students about wormholes, black holes, colonizing Mars, outer space odors and more.

All going well, a four-person crew will soon launch into deep space. But delays and troubled test flights have led some to call for radical change.

One might not imagine such a time being conducive to the existence of fragile lifeforms, yet it is likely to be the era in which Mars was most habitable ...