NASA

A cross-section of underground ice is exposed at the steep slope that appears bright blue in this enhanced-color view from the HiRISE camera on NASA's Mars Reconnaissance Orbiter.

Huge Deposits of Ice Found Just Beneath Mars’ Surface

Erosion has exposed eight sites of enormous quantities of water ice

Earth and Moon seen from 3 million miles away on October 2, 2017.

Asteroid-Sampling Spacecraft Captures Haunting View of Earth in Space

OSIRIS-REx tested its cameras by taking a gorgeous photo of its home planet

Hours after witnessing the first Earthrise, Jim Lovell told mission control: “The Earth from here is a grand oasis in the big vastness of space.”

Who Took the Legendary Earthrise Photo From Apollo 8?

The mission returned to Earth with one of the most famous images in history

Russia Proposes "Luxury Hotel" for the International Space Station

The NEM-2 module would have four cabins, two bathrooms, exercise equipment, WiFi and a lounge with a 16-inch window

Each chapter progresses from the very small to the very big.

Learn to Speak the Language of the Universe With This Mindblowing New Book

<i>Magnitude</i> helps you imagine the outer limits of time, speed and distance—without breaking your brain

Artists rendering of the Dragonfly craft exploring Titan

NASA Unveils Finalists for Its Next New Frontiers Mission

In 2025, the agency will either try to grab a piece of a comet or send a space-helicopter drone to the surface of Saturn's moon Titan

Shadows of Saturn's Rings Mess With Its Upper Atmosphere

The Cassini probe's final swoops through the rings found that they impact the planet's ionosphere

Dinosaurs Were Around Before Saturn Had Rings

Data from the Cassini space probe suggests that the rings may be as young as 150 million years old

Hunga Tonga-Hunga Ha'apai soon after its formation in 2015

How the Rapidly Changing Shape of This New Island Could Teach Us About Mars

Hunga Tonga-Hunga Ha'apai has lasted longer than it should, and the processes that formed the island are of interest to NASA

What Lurks Below Jupiter’s Great Red Spot?

New results from the Juno spacecraft are helping to unlock the secrets of this centuries-old storm

Apollo 17's Saturn V launch vehicle sits atop pad 39-A at the Kennedy Space Center in Florida.

Apollo 17 Was the Swan Song of Manned Space Exploration

Looking back 45 years later, is there hope humanity will once again push beyond Earth? President Donald Trump seems to think so

Geminid meteor shower streaks across skies in December of 2013.

Geminid Meteor Shower Will Blaze Across Skies

Will you stay up to catch the show?

Are Alien Microbes Clinging to the International Space Station? Probably Not

A report out of Russia claims extraterrestrial bacteria has been found on the space station, but there's plenty of room for doubt

Watch This Year's Hurricanes Swirl Across the Globe in New NASA Visualization

Scientists combined supercomputer simulations with satellite data tracking particles of sea salt, dust and smoke to create the mesmerizing graphic

Take in the Surreal Beauty of Jupiter in These Incredible New Images

NASA released the raw data earlier this week, allowing the public to process the beautiful images

NASA's Halloween playlist captures the sounds of the solar system

Celebrate Halloween With These Unsettling Sounds From Outer Space

NASA's new SoundCloud playlist captures the sounds of planets, comets and plasma waves

This illustration shows a star's light illuminating the atmosphere of a planet.

The Search for Habitable Worlds Just Got a Boost

More realistic simulations of the atmosphere of far-flung planets are helping researchers sort out the best candidates for possible life

Jemison aboard the space shuttle 'Endeavour' in the Spacelab Japan science module.

This Groundbreaking Astronaut and Star Trek Fan Is Now Working on Interstellar Travel

Mae Jemison, the first African-American woman in space, wants us to look beyond Earth

NASA Dedicates New Facility to Katherine Johnson, the Pioneering Mathematician of ‘Hidden Figures’

'I think they're crazy,' the 99-year-old jokingly said of the honor

An illustration envisioning how the satellite OSIRIS-REx will collect rocks from the asteroid Bennu

How a Satellite Just Used Earth Like a Slingshot

On its way to study an asteroid for clues about the origins of life, OSIRIS-REx got a little boost from Earth's gravity

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