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 ...

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

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life. The problem is not finding the star.

An illustration of the hazy, pink-hued gassy giant GJ504b, which may be a massive planet or a brown dwarf orbiting a nearby ...

NASA is Searching for Earth 2.0, Here's How.

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

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

Scientists in a recent breakthrough have discovered vast hidden magma systems beneath the surface of Mars, marking an “unexpected discovery” leading the researchers closer to finding ...

Astronomers have uncovered a pair of giant planets that are lighter than cotton candy — super-puffs the size of Jupiter. The ...