SPACE

This world-renowned chef is reinventing British staples for the ISS.

It has helped us learn about the age of the universe and that supermassive black holes actually exist. The Hubble Space Telescope is a veritable manufacturing plant of discoveries.

Sunday and Monday, the Geminid meteor shower rounds out 2015's offering of celestial wonders.

Geological evidence suggests Earth's water is as old as the planet itself.

Happy birthday, Carl!

Details—and the big-picture takeaway—from the latest research on Mars's atmosphere.

The white dwarf star is believed to be destroying its own solar system.

Humans have been making observations of the heavens for millennia, and in that time people have said a lot of different things about the planets—some interestingly astute and others wildly inaccurate.

Astronomers around the world marveled at the brilliance of the “guest star.”

After a moment of disbelief ("I said, 'The Ridley Scott?!’"), James Green, director of NASA’s Planetary Sciences Division, didn’t hesitate. “I said, ‘Yes! I’ll clear my calendar!’”

It's salty and it's flowing right now, they say.

The darkened terrestrial disk will be ringed by every sunrise and every sunset in the world, all at once.