NASA

Swiss researchers want to build a spacecraft to eat their tiny satellites after they stop working.

This Pac-Man Spacecraft Will Devour a Satellite

Swiss researchers are designing a tiny satellite to eat their defunct cube satellite and clean up space junk

The hydrophobic bacteria that coat the ceilings of some dark lava caves produce a gorgeous golden sparkle.

How Bacteria Make This Underground, Awe-Inspiring Cave Shine Gold

These underground tubes at Lava Beds National Monument include sparkling gold ceilings that even NASA wants to study

An iconic remnant of the space shuttle Challenger disaster, this flag-covered piece of fuselage was hidden away in storage until NASA's new memorial launched on June 27, 2015.

NASA's Memorial Honors Lives Lost on the Challenger and Columbia Missions

The permanent exhibit at the Kennedy Space Center in Florida displays remnants of the shuttles and items from fallen astronauts

Engine Misfire Jolts the ISS, Shifting its Position

Unexpected engine firing on a Soyuz capsule pushed the station into a different orbit

The sun sets on Mars. From June 7 to 21, Mars will be obscured from Earth by the sun, causing a communications blackout.

NASA Will Lose Contact With Mars for 14 Days This Month

A conjunction with the sun will cause a two-week pause in commands to NASA Mars missions

An artist’s concept of NASA’s Low-Density Supersonic Decelerator

NASA Will Launch a Flying Saucer Soon

Weather has kept the test vehicle, designed to land softly on Mars, grounded for the moment but the launch window is still open

60 NASA Scientists are Trying to Build a Better Parachute

The Supreme Council of Parachute Experts wants to construct a parachute that can help a heavier craft land on Mars

Is the Curiosity Rover Behind Weird Methane Readings on Mars?

The debate over methane is causing a stink among scientists

Today’s Google Doodle Honors Sally Ride

Five animations show the first American woman astronaut's sense of fun

An artist's rendering of WISE J224607.57-052635.0, which was recently spotted by an infrared space telescope.

Found: A Galaxy That Shines With the Light of Over 300 Trillion Suns

A very hungry black hole at the center of WISE J224607.57-052635.0 emits an incredible amount of light

The Atlas V rocket launches the X-37B on a 2012 mission. The craft will launch again Wednesday from Cape Canaveral, Florida.

A Mysterious Space Plane Will Launch This Week

Though much of the X-37B's mission is top secret, details are emerging about experiments that will go into orbit with the unmanned craft

How Snow Keeps the World’s Most Powerful Space Telescope Squeaky Clean

CO2 snowflakes are being tested for use with Hubble’s successor

Watch the Sun Set on Mars

Curiosity takes its first color pictures of a Martian sunset

Mercury as seen by Messenger

Today The Messenger Spacecraft Will Crash Into Mercury

After years of exciting observations and stunning pictures of Mercury, the spacecraft has run out of fuel

The Hubble Space Telescope

The Hubble Space Telescope Has Been In Space for 25 Years, Here's What it Has Seen

The telescope has sent back some real beauties

Extreme Makeover: ISS Edition

How to give the International Space Station a little bit more room

Mercury's Munch crater, as viewed by the MESSENGER probe.

The Messenger Probe Will Soon Crash Into Mercury

As NASA's probe runs out of propellant, it will crash into the planet’s surface at 8,750 MPH

Rover May Have Found a Water Source for Humans on Mars

Data collected from the Curiosity rover suggests liquid water could be harvested from Martian soil

Could NASA Stop on the Moon on the Way to Mars?

NASA's chief of human exploration thinks we'll need a pit stop en route to the fiery planet

NASA’s Twin Study May Never Be Published

Privacy concerns could stymie NASA’s study of Scott and Mark Kelly

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