Claims for the detection of life on other planets go back decades. Here's why you should still be skeptical despite recent discoveries.

At the very edge of our solar system, beyond the grasp of Neptune and even past the icy sprawl of Pluto’s domain, a new ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

Earth-like planets in the habitable zone can easily be up to a billion times dimmer than their host star, said Nico Deshler of the University of Arizona. That vast difference in brightness is a steep ...

The fundamental building blocks for planet formation can exist even in environments with extreme ultraviolet radiation, according to a new study.

A sweeping machine learning study scanning over 86,000 high-res Mars images reveals that the mysterious streaks seen on Martian slopes are likely dry dust slides, not evidence of flowing water as ...

Researchers analyzed a global database of 500,000 strange streaks that occur on steep Martian slopes, concluding that they're ...

Methyl halides, detected in space, are key biosignatures in the search for extraterrestrial life, indicating potential ...

Since the second half of the twentieth century, the accumulation of greenhouse gases, rising global temperatures, and rising sea levels have made scie ...

Webb Telescope finds crystalline water ice around star HD 181327. This discovery could reveal how icy bodies contribute to ...

NASA’s astrobiology ambitions are at risk of collapsing under the White House’s proposed budget. But your voice can make a ...