The mission is still in the early stages of its conception, with contracts given recently to firms.

Just three decades ago, astronomers had no evidence that planets commonly orbited other stars. Then in 2025, NASA confirmed ...

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Beneath the icy silence of Antarctica's famous Dry Valleys lies a world so unusual that it often resembles another planet.

An interstellar comet that passed through the Solar System last year may be up to 12 billion years old – far older than the ...