From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

A new anomaly related to the size of particles in the interstellar object 3I/ATLAS has been detected. This was reported in his blog by Harvard University astronomer Avi Loeb.

Last Friday, the interstellar comet designated 3I/ATLAS completed its closest approach to Earth without crashing into us or depositing an invading armada.

Space is always inspiring and 2025 was no exception, with finding Betelgeuse’s buddy, debuting a prolific survey telescope ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Looking ahead, the comet will pass roughly 33 million miles from Jupiter in March 2026. Loeb noted the scientific value: monitoring 3I/ATLAS with the Juno spacecraft could reveal unusual activity, ...

Astronomer Avi Loeb argued that other objects like interstellar visitor 3I/ATLAS could be useful for reaching out to aliens, if they exist.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

If you stop to think about it, it’s a marvel that we can harness energy from the sun. But we do, thanks to solar panels equipped with photovoltaic cells that convert sunlight to electricity. That’s no ...

Avi Loeb says interstellar objects such as 3I/ATLAS could carry time capsules into deep space faster than spacecraft built with 1970s technology ...