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Opportunity, NASA’s record-setting Mars rover, is declared dead after 15 years

The North Pole is mysteriously moving, and the U.S. government finally caught up

Older, right-leaning Twitter users spread the most fake news in 2016, study finds

The Doomsday Clock is stuck at 2 minutes to ‘midnight,’ the symbolic hour of the apocalypse

The shutdown could soon block telescopes’ view of the heavens

‘The Garden of Eden is no more’: David Attenborough issues climate-change warning at Davos

Experts warned this floating garbage collector wouldn’t work. The ocean proved them right.

The North Pole is moving, and the shutdown means we aren’t keeping up

Scientists had never seen anything like this supernova. Could it be a newborn black hole?

How your at-home DNA test results could solve cold cases

The Hubble Space Telescope has a glitch -- again

Scientists just got closer to solving one of astronomy’s biggest mysteries

As shutdown continues, so does damage to U.S. science

Behold, the solar system’s best planet

What’s behind the confidence of the incompetent? This suddenly popular psychological phenomenon.

China lands spacecraft on the far side of the moon, a historic first

Here are NASA’s first up-close images of the most distant object ever explored

The most distant space encounter in history is happening now

Extreme weather in 2018 was a raging, howling signal of climate change

NASA has a New Year’s date with a distant space rock. Here’s how to watch.