The levels of a heavy form of hydrogen in 3I/ATLAS are 30 to 40 times higher than in Earth's oceans, suggesting the comet has ...

The search for life isn’t limited to distant exoplanets—some of the most promising candidates may be right here in our own ...

Titan, Saturn’s largest moon, is one of the most unique places in the solar system, featuring lakes and rivers made of liquid ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers ...

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond ...

As an astrophysicist, my world revolves around the wonders of space and the mysteries of the universe. This means I can be a ...

Astronomers have spotted something unusual in a comet passing through our Solar System. 3I/ATLAS, only the third confirmed ...

Scientists are scrambling to explain why interstellar visitor 3I/ATLAS is carrying life's chemical building blocks at ...