Exposed Bedrock on the Red Planet's Hale Crater

This image from NASA's Mars Reconnaissance Orbiter shows Hale Crater, a large impact crater.

Black Hole Bounty Captured in the Center of the Milky Way

Astronomers have discovered evidence for thousands of black holes located near the center of our Milky Way galaxy using data from NASA's Chandra X-ray Observatory.

Our Sputtering Sun

An active region rotated into view and sputtered with numerous small flares and towering magnetic field lines that stretched out many times the diameter of Earth.

Hubble’s Galaxy Cluster Cornucopia

The swirling spiral to the lower left of the frame is far from the most interesting spectacle here — behind it sits a galaxy cluster.

Going Forward

This close-up image is of a 2-inch-deep hole produced using a new drilling technique for NASA's Curiosity rover. The hole is about 0.6 inches (1.6 centimeters) in diameter. This image was taken by Curiosity's Mast Camera (Mastcam) on Sol 2057.

LIFTOFF!

The GRACE Follow-On spacecraft launched onboard a SpaceX Falcon 9 rocket, Tuesday, May 22, 2018.

GRACE-FO Launches to Provide a Unique View of Earth’s Climate

(GRACE-FO) mission launched onboard a SpaceX Falcon 9 rocket, Tuesday, May 22, 2018, from Space Launch Complex 4E at Vandenberg Air Force Base in California

Orbital ATK Antares Rocket Lifts Off on Resupply Mission to the International Space Station

The Orbital ATK Antares rocket, with the Cygnus spacecraft onboard, launches from Pad-0A, Monday, May 21, 2018 at NASA's Wallops Flight Facility in Virginia. Cygnus will deliver approximately 7,400 pounds of science and research, crew supplies and vehicle hardware to the International Space Station and its crew.

Antares Rocket Set to Launch NASA Science to the International Space Station

The Orbital ATK Antares rocket, with the Cygnus spacecraft onboard, is seen at launch Pad-0A, Saturday, May 19, 2018, at Wallops Flight Facility in Virginia. Liftoff is currently targeted for 4:39 a.m. Eastern on Monday, May 21.

Orbital ATK Rocket Rolls Out for May 21 Launch

An Orbital ATK rocket rolls out to launch Pad-0A at NASA's Wallops Flight Facility on May 17, 2018, in advance of a May 21 launch from Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station.

Hubble Catches a Spiral Galaxy in Disguise

NGC 1032 cleaves the quiet darkness of space in two in this image from the NASA/ESA Hubble Space Telescope.

An Amazing View

Astronaut Ricky Arnold took this selfie during the May 16, 2018, spacewalk.

Blue Waters

This image of the southern Greenland town of Narsaq was taken during an Operation IceBridge flight on Apr. 26, 2018.

A Sunny Day

Each and every day NASA's Solar Dynamics Observatory (SDO) observes our Sun and relays observational data to scientists on Earth.

Europa by the Numbers

Galileo Galilei discovered Jupiter's moon Europa in 1610. More than four centuries later, astronomers are still making discoveries about its icy surface.

Hubble Spies Glowing Galaxies in Massive Cluster

In the darkness of the distant universe, these galaxies resemble glowing fireflies, flickering candles, charred embers floating up from a bonfire, and light bulbs softly shining.

Full Moon Over Newfoundland

The crew of the International Space Station snapped this image of the full moon on April 30, 2018, as the station orbited off the coast of Newfoundland, Canada.

Spring Color in the North Sea

Warm air and sunlight beget warmer ocean waters and provoke blooms of the “grass of the sea”—phytoplankton.

Astronaut-Educator Ricky Arnold Conducts Science on Station

Astronaut-educator Ricky Arnold conducts student-designed science on the Space Station.

InSight Mars Mission Lifts Off From Vandenberg Air Force Base

The NASA InSight spacecraft launches onboard a United Launch Alliance Atlas-V rocket, Saturday, May 5, 2018, from Vandenberg Air Force Base in California. InSight, short for Interior Exploration using Seismic Investigations, Geodesy and Heat Transport, is a Mars lander designed to study the "inner space" of Mars: its crust, mantle, and core.

Voyage to the Red Planet

NASA's InSight spacecraft rests aboard a ULA Atlas V rocket, awaiting launch scheduled on May 5, 2018.

Tangled Up in Blue

The lone active region visible on our Sun put on a fine display with its tangled magnetic field lines swaying and twisting above it (Apr. 24-26, 2018) when viewed in a wavelength of extreme ultraviolet light.

Training 'Guardian Angels'

"Guardian Angel" Pararescue specialists secure a covered life raft during an astronaut rescue training exercise. This exercise is part of preparation, with NASA's commercial partners Boeing and SpaceX, to fly astronauts to and from the International Space Station aboard the Starliner and Crew Dragon spacecraft.

Testing the InSight Mars Lander's Solar Arrays

NASA's InSight Mars mission will help scientists understand the processes that shaped the rocky planets of the inner solar system (including Earth) more than four billion years ago. InSight, the first planetary mission to take off from the West Coast, is targeted to launch Saturday, May 5 from Vandenberg Air Force Base in California.