Outer Space

A new computer model gives insight into how Europa's ocean formed, and how life could use its chemical energy to survive.

Heat in Jupiter’s Moon Europa Might Have Made Its Oceans Habitable

An upcoming NASA mission will get a closer look at the ocean moon

An artist’s rendering of the mysterious object, which has a mass about 2.6 times that of the sun and was consumed by a black hole some 23 times the mass of the sun. Astronomers say it's less massive than any known black hole and more massive than any known collapsed star, called a neutron star.

Distant Black Hole Collides With a Mysterious Object

Scientists detect what is either the heaviest known neutron star or the least massive black hole ever recorded

A rendering of Spaceship Neptune, a commercial spacecraft from the new company Space Perspective, is depicted here. The company says it plans to test its craft in early 2021.

For $125,000, You Could Ride a Balloon Into the Stratosphere

A new company, Space Perspective, announced its plan for a commercial space craft this week

A near-infrared, color image taken by NASA's Cassini spacecraft shows the sun glinting off of north polar seas on Saturn's largest moon, Titan. Similar glints were spotted from Earth in 2000 at Titan's equator but Cassini found no evidence of liquid there.

Bright Patches on Saturn’s Largest Moon Are Dried-Up Lake Beds

New study tackles a 20-year-old mystery about Titan, the second-largest moon in the solar system

This artist's rendering of green airglow on Mars depicts the European Space Agency's Trace Gas Orbiter in the foreground.

Green Glow Detected in Mars' Atmosphere

The emerald light resembles the glow emitted in Earth's atmosphere

Scientists have recorded footage of a black hole shooting hot gas and energy into space

Watch This Black Hole Spew Gas and Energy Into Space

A new video shows a black hole, about 10,000 light years away from Earth, shooting enormous jets of matter

The ICARUS antenna (right) on the exterior of the International Space Station.

The International Space Station Just Became a Powerful Tool for Tracking Animal Migration

The so-called 'internet of animals,' powered by an antenna aboard the ISS, will track thousands of creatures across the entire planet

Kathy Sullivan, left, and Victor Vescovo, right

Astronaut Kathy Sullivan Becomes First Woman to Reach Deepest Part of the Ocean

Sullivan is now the first person to have both walked in space and descend to the furthest reaches of the seafloor

A new cluster of sunspots, visible in the top left part of the image, might indicate a new period of activity for the sun.

The Sun Produced Its Biggest Solar Flare Since 2017

The activity might be a sign of the sun entering into a new period of activity—or not, NASA says

This month's selections include The Beauty and the Terror, Feasting Wild and Splash.

The Dangers of Space, Military Rivals and Other New Books to Read

These five recent releases may have been lost in the news cycle

At the center of the swirl, a bright yellow spot is has a characteristic twist that indicates the birth of a new exoplanet.

This Very Large Telescope Snapped an Exoplanet's Baby Photos

The fiery swirl looks like a "Doctor Who" title card, but it’s actually a photograph of a planet-in-progress 520 light year away

Mars’ Chryse Planitia region is peppered with small hills topped with craters that might be mud volcanoes.

Martian Mud Probably Looks Like Lava

Muddy water that drains smoothly on Earth leaves a lumpy trail under Mars-like conditions

This map shows the Long March 5B's projected orbit before it reentered Earth's atmosphere.

A Huge Hunk of Space Debris Fell to Earth

The 20-ton object, part of a Chinese rocket, is one of the largest ever to fall uncontrolled from space

Artist’s impression of the triple system with the closest black hole.

Astronomers Discover the Closest Known Black Hole

The newfound 'invisible' object is only 1,000 light years from home

A meteorite found in the Sahara Desert, valued at more than $2.5 million.

Christie's Auction House Offers 29-Pound Hunk of Moon for $2.5 Million

The rock crash-landed in the Sahara Desert after a presumed collision chipped it off the lunar surface

Stream the free concert on YouTube tonight at 8 p.m. EST.

How to Watch the National Air and Space Museum's Free Virtual Concert

Catch the musical event, featuring Sting, Death Cab for Cutie front man Ben Gibbard and other artists, on YouTube tonight at 8 p.m. Eastern time

Venus' volatile atmosphere expands in the sun, creating a low pressure area that drives strong winds around the planet.

The Forces Behind Venus’ Super-Rotating Atmosphere

Earth’s sister planet spins slowly, but its atmosphere whips around at high speeds

The Unified Geologic Map of the Moon, showing the geology of the Moon’s near side (left) and far side (right).

Gorgeous New Map of the Moon Is Most Detailed to Date

The rendering builds on decades of data that dates back to the Apollo missions, which happened some fifty years ago

For Earth Day, NASA and Lego challenged families to build models of planets as a way to learn through play.

NASA and Lego Host ‘Build a Planet’ Challenge

The event was part of the company's week of #LetsBuildTogether challenges

On April 24, 1991—a year after it was launched into space—Hubble snapped a shot of the Cygnus Loop supernova remnant, a relic of a star that exploded in a massive cataclysm about 15,000 years ago.

This NASA Website Shows What the Hubble Telescope Saw on Your Birthday

The snazzy search is part of the telescope’s 30th anniversary celebration

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