In 2024, researchers reported another far-off world that smells like rotten eggs. HD 189733b, some 64 light-years from Earth, ...

Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

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

After analysing more than 6,000 known worlds beyond our solar system, astronomers have identified 45 planets that could offer ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

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 ...

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

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

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

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

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