NASA’s Hubble Space Telescope is examining a newly discovered cloud of gas and dark matter that may represent a ...

Using the Hubble Space Telescope, astronomers have discovered a new type of cosmic object, a cloud of dark matter and gas ...

Using data from NASA's James Webb Space Telescope, astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) ...

The earliest acoustic vibrations in the cosmos weren’t exactly sound – they travelled at half the speed of light and there ...

Researchers found evidence that a companion star may be influencing Betelgeuse, explaining why the star’s brightness changes ...

Many of us begin a new year hoping to become better versions of ourselves. Some aim to improve their health, others focus on ...

How archaeologists are rediscovering the ancient world's most marvelous monuments The canonical Seven Wonders of the Ancient World were renowned for their size or splendor and—in all cases—the ...

Discover why astronomers believe the interstellar comet 3I/ATLAS could be 14 billion years old and what Harvard's Avi Loeb ...

Here are seven of the most beautiful star cluster and star-forming region images captured by NASA Hubble Space Telescope, ...

Carl Sagan once said, “Exploration is in our nature. We began as wanderers, and we are wanderers still.” These words ...

Explore some favorite visual stories of designers, developers and art directors from The Washington Post’s Design, Graphics ...

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most ...