Scientists have discovered the strongest evidence yet of a rocky planet with an atmosphere outside the solar system, ...

Astronomers have captured a rare and cinematic sight: a distant planet orbiting not one, but two suns, much like the ...

A NASA spacecraft is making a close approach to the sun, repeating its record-breaking distance of 3.8 million miles from the ...

A rocky exoplanet outside the Earth's solar system may have an atmosphere, according to new evidence gathered by NASA ...

On Dec. 12, 1967, NASA launched the Pioneer 8 spacecraft on a mission to study the sun. [‘On This Day in Space’ Video Series ...

NASA’s James Webb Space Telescope has detected the best evidence ever recorded for an atmosphere on a rocky exoplanet.

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

Private space companies are testing new ways to provide continuous power to enable permanent human habitats on the moon.

Astronomers have produced the first continuous, two-dimensional maps of the outer edge of the sun's atmosphere, a shifting, ...

Firefly plans to launch its lander toward the moon’s South Pole by the end of 2026. Assuming it arrives in one piece, the ...

In a discovery that's fit for a movie, Northwestern University astronomers have directly imaged a Tatooine-like exoplanet, orbiting two suns. While obtaining an image of a planet beyond our solar ...

Working through years’ worth of data from an old observational campaign, a team of astronomers have directly imaged a new ...