space

20-sided crystal, once thought impossible, found in meteorite

By Kristin Hugo

Researchers have found an entirely new, extreme type of quasicrystal with an icosahedral -- 20-sided -- symmetry.

John Glenn, the first American to orbit the Earth, dies at 95

By Julia Griffin, Alexis Cox

John Glenn, NASA astronaut, U.S. Senator and the first American to orbit the planet, died Thursday. He was 95.

ExoMars orbiter gets up close to the Red Planet

By Leigh Anne Tiffany

European scientists are getting new snapshots of the Red Planet thanks to the ExoMars Trace Gas Orbiter.

If this U.S. astronaut can vote from space, you can too

By Marcia Dunn, Associated Press

Kate Rubins, the lone American in orbit, will end up voting for president from the International Space Station, if her homecoming is delayed.

Why Charon, Pluto’s largest moon, wears a red cap

By Leigh Anne Tiffany

Charon’s north pole has a dark red color, starkly different from its otherwise grey-white surface, and scientists have finally found out why.

Photos: Perseid meteor shower sparkles across the globe

By Larisa Epatko

People trekked to ancient villages and medieval ruins to view and photograph the Perseid meteor shower in the wee hours of Friday. This year's display produced more bright streaks in the nighttime sky than in years past.

Philae comet lander says goodbye. Here’s its life story in tweets

By Leigh Anne Tiffany

Philae, the European Space Agency’s (ESA) comet lander, has sent its final tweet.

Celebrate the Apollo 11 anniversary in pictures

By Lora Strum

Relive humanity's first moonwalk.

Witness Jupiter’s spooky northern lights

By Nsikan Akpan

The Hubble telescope, the talisman space observatory, has captured fresh images of Jupiter’s auroras as Juno spacecraft makes its final approach to the planet.