NASA's Mars rover Curiosity marks 2,000th day on red planet

New nickname for Pluto-explorer's next target: Ultima Thule

NASA will fly you to the sun _ or at least your name

Space photos help find 1.5 million penguins

Trump wants NASA out of space station by 2025, businesses in

Asteroid coming close Friday: Don't worry, we're safe

NASA honors 7 killed on space shuttle Columbia 15 years ago

NASA bumps astronaut off June spaceflight in rare move

US review shows pesticides harm threatened salmon, whales

Low oxygen levels, coral bleaching getting worse in oceans

Sanctuary on side of Mexican volcano could be universe model

What's in a moon's name?

Space station gets 3 new astronauts, bringing crew back to 6

Eighth planet found in faraway solar system, matching ours

NASA nails test on Voyager spacecraft, 13 billion miles away

Self-taught rocket scientist eyes Monday for new launch date

Good night, night: Light pollution increasing around globe

New study: Streaks on Mars sign of flowing sand, not water

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