NASA's Mars Reconnaissance Orbiter took this photo as Perseverance crossed the 42-kilometer finish line—or is it a starting ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

Learn about a new working paper that argues that consciousness may not be limited to Earth-like biology, raising the ...

Along with other recent discoveries, the new finding from Perseverance boosts the case that Mars once hosted conditions that ...

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

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...

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

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

In a new paper, researchers examine the possibility of other consciousnesses that take on forms far beyond our imagination.

Scientists can't fully agree on what GJ504b actually is. It may be a massive planet or a brown dwarf, a mysterious class of ...

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