When astronomers observe distant exoplanets, they sometimes encounter a frustrating result: instead of revealing the chemical fingerprints of an atmosphere, the data appear almost completely flat.

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Two scientists want NASA to build a quarantine lab for alien germs on the Moon, rather than on Earth. The pair, ...

The sci-fi movie “Disclosure Day” predicts that our reaction to intelligent alien life will be chaotic. But what does the ...

Now, an international team of researchers reports in the journal Science Advances that a short time later, a more than ...

During the initial analysis of the data recovered from the Scoop 7 satellite, Dr. Ruth Leavitt (Kate Reid) and her colleagues ...

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

Experts are questioning Trump's claim that 250,000 noncitizens are registered to vote, citing flawed methodology.

LHS 3844b is an exoplanet just slightly larger than Earth that orbits the red dwarf star LHS 3884, located 48.5 light years from our solar system ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Efforts to manage invasive alien plant species in forests could be held back by a continued reliance on chemical methods, ...