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Dogs came to North America with earliest humans, study suggests

The history of dogs has been intertwined with that of man since ancient times, and studying canine…

NASA releases extraordinary video of Mars landing

Engineers say the Perseverance rover is healthy and moving swiftly through initial checkout.

Mars rover beams back dramatic landing selfie

Engineers say the rover is healthy and operating normally after its hair-raising descent to the surface.

White House site allows users to choose their pronouns

The changes may seem minor, but advocates say they're meaningful.

RIP: Mars digger bites the dust after 2 years on red planet

NASA declared the Mars digger dead Thursday after failing to burrow deep into the red planet to…

You’ve received a COVID-19 vaccine. How do you prove it?

For many, the key to a 'return to normal' may be digital vaccine passports they can carry…

Mercury, Jupiter and Saturn meet for rare “triple conjunction”

Eager skywatchers have a chance to glimpse a planetary triangle in the night sky this weekend.

Space object likely came from alien world, Harvard professor says

Harvard's Avi Loeb says object that whizzed by Earth in 2017 was probably debris from an advanced…

Fauci: US could soon give 1 million vaccinations a day

The U.S. could soon be giving at least a million COVID-19 vaccinations a day despite the sluggish…

Jupiter and Saturn to overlap in sky tonight: “Aligned just right”

If you look up at the sky just after sunset, you'll see something that hasn't happened in…

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