The strange magnetic rock was the size of a football.
Canada has two “goodwill” moon rocks with interesting tales for historians: the Apollo 17 sample is back on display in Ottawa, while the location of the Apollo 11 rock remains unknown.
An image of Europe pulsing red shows the effects of a heat wave sweeping across the continent again in July, following extreme temperatures in June.
Astronomers think they've spotted a planet with three suns on its horizon — but that still isn't the most interesting thing about the world's skies.
Nobody has stumbled into an emergency room with an inexplicable lightsaber wound, as far as we know — and that tells us something about dark matter, a new study suggests.
Apollo astronauts left reflector experiments on the moon, and now, new and improved retroreflectors are being sent to the lunar surface.
The Apollo missions helped us solve many of the moon's mysteries, but many questions were left unanswered — and even more arose as a result of the samples the astronauts brought back.
NASA's TESS mission was designed to hunt alien planets, but it's done more than that in its first year at work, as a new NASA video highlights.
It's too weird to make up: NASA fed some of its precious Apollo 11 lunar samples to cockroaches. And dumped it in fishbowls. And injected mice with it. No, really.
SpaceX is launching a cargo mission to the International Space Station Thursday evening (July 25), and you can watch the action live.
The next launch window for Mars missions opens next summer, and four big-ticket missions aim to take full advantage.
Two white dwarfs, "dead" stars like the sun, were observed orbiting rapidly around one another in the night sky.
New research provides clues as to how the water may have escaped its icy grave and splattered across the lunar surface.
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