A stunning new image from the James Webb Space Telescope shows a pair of actively forming stars. But many people are more curious about the tiny question mark visible toward the bottom of the frame.

NASA and the European Space Agency are gearing up to bring home a pristine sample of Martian rock. But given the small chance of life on the red planet, they have to grapple with safety questions.

NASA and the European Space Agency are gearing up to bring home a pristine sample of Martian rock. But given the small chance of life on the red planet, they have to grapple with safety questions.

The mission, which had been set for this year, is a part of the ExoMars program to search for signs of life on Mars. It's likely to be delayed by nations' response to Russia's invasion of Ukraine.

To reach the innermost planet in our solar system, this European space probe needs a little help from the gravity of Venus.

In Europe, engineers are planning to send a plywood-sheathed satellite into orbit to test how well the venerable construction material holds up in space.

The first snapshots capture an unprecedented level of detail, including miniature solar flares that scientists are calling "campfires."