The Search for Life

A simulated perspective of Olympus Mons, the tallest volcano in the solar system, with water frost at its peak.

SMART NEWS

Astronomers Discover Water Frost on Mars' Tallest Volcanoes

Europa’s icy surface hides an ocean of liquid water underneath, making it a prime target in the search for extraterrestrial life.

SMART NEWS

See the Messages NASA Will Send to Space on Its Upcoming Mission to Europa

An artist's rendition of the Europa Clipper mission, set to launch to Europa in October. The mission could provide new insights about the life-supporting potential of the moon, which hosts a massive saltwater ocean beneath its icy surface.

SMART NEWS

Jupiter's Moon Europa May Have Less Oxygen Than Previously Thought

Data from the retired Stratospheric Observatory for Infrared Astronomy (SOFIA), a joint venture between NASA and the German Space Agency, led scientists to their discovery.

SMART NEWS

Scientists Detect Water on the Surface of Asteroids for the First Time Ever

Saturn's moon Mimas has a giant impact crater, named Hershel, that stretches across a third of its surface and makes it resemble the "Death Star" from Star Wars.

SMART NEWS

An Icy Moon of Saturn May Be Hiding a Vast Ocean Under Its Crust, Surprising Astronomers

Past, Present, Future

Astrolabes were astronomical calculating devices that did everything from tell the time to map the stars. This 16th century planispherical astrolabe stems from Morocco.

INNOVATION

The Story of the Astrolabe, the Original Smartphone

Besides exceptional facial hair, what could these two gentlemen have in common?

SCIENCE

The Hidden Connections Between Darwin and the Physicist Who Championed Entropy

An illustration shows the record-breaking supernova ASASSN-15lh as it would appear from an exoplanet about 10,000 light-years away.

SCIENCE

Astronomers Have Found the Brightest Supernova Yet

SCIENCE

Watch the Universe Evolve Over 13 Billion Years

The Andromeda Galaxy

SCIENCE

What Does the Future of the Universe Hold?

How We Explore

People in New Delhi celebrate India's successful landing of a spacecraft near the moon's south pole on Wednesday.

SMART NEWS

India Lands a Spacecraft Near the Moon's South Pole, a First in Lunar Exploration

The James Webb Space Telescope's first Deep Field image

SCIENCE

NASA Releases First Breathtaking Images Taken by James Webb Space Telescope

CAMS results for November 28 to December 14 from 2010 to 2016. Each point is direction from which a meteor was measured to approach, with red showing faster meteors and blue slower ones.

SCIENCE

Introducing the Global Effort to Map the Night Sky

Telescope array

SCIENCE

The Hunt for High-Energy Photons Takes Place From a Mountaintop in Mexico

Astrophysicist Kip Thorne dared to dream of a machine to find gravitational waves.

SCIENCE

The Detection of Gravitational Waves Was a Scientific Breakthrough, but What’s Next?

Galaxies, Quasars, Clusters

Euclid’s new image of star-forming region Messier 78, a nebula that lies in the constellation Orion.

SMART NEWS

See Five Dazzling New Images of the Cosmos, Captured by Europe's Space Telescope

The environment surrounding the galaxy system where the two black holes are merging. The event is occurring in the distant universe, around 13 billion years ago.

SMART NEWS

James Webb Telescope Detects Earliest Known Black Hole Merger, Just 740 Million Years After the Big Bang

An artist's illustration of Gaia BH3 and its companion star's "wobbling" orbit.

SMART NEWS

Astronomers Discover a 'Sleeping Giant' Black Hole in Our Galaxy—the Second-Closest Known to Earth

Understanding the Cosmos

A picture taken by the Hubble Space Telescope that contains GN-z11, the galaxy with the newly discovered black hole at its center. When GN-z11 was first imaged, it was the farthest galaxy ever seen in the universe.

SMART NEWS

Astronomers Discover the Oldest Known Black Hole, Breaking a Record Set Last Year

An infrared image of 47 Tucanae, a dense globular cluster of stars located roughly 16,000 light years from Earth. A new study has predicted that a black hole lies at its center.

SCIENCE

How Astrophysicists Found a Black Hole Where No One Else Could

LIGO's founding fathers, from left: Rainer Weiss, Kip Thorne and Barry Barish. Not pictured: Ronald Drever

INNOVATION

Meet the Team of Scientists Who Discovered Gravitational Waves