Each time biosignatures are found, biologists confront the ambiguous distinction between life and non-life, and the ...

Whether or not we’re alone in the universe is one of the biggest questions in science. A recent study, led by astrophysicist Nikku Madhusudhan at the University of Cambridge, suggests the answer might ...

Dimethyl sulfide is cool—and a potential biosignature—but scientists are urging caution before we declare a plankton party ...

NASA has discovered a planet where storms rage nonstop, creating extreme weather conditions unlike anything on Earth. Scientists are studying this turbulent world to understand its chaotic atmosphere ...

Astronomers at the European Southern Observatory (ESO) have discovered a planet orbiting a pair of stars at a 90-degree angle ...

NASA's Juno revealed mushballs on Jupiter, reshaping our understanding of deep, violent gas giant storm systems.

In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...

NASA’s James Webb Space Telescope may have detected signs of alien life on exoplanet K2-18b. Explore the science behind ...

The research, led by scientists at the University of Cambridge, detected evidence of compounds in the exoplanet's atmosphere ...

Scientists have detected dimethyl sulfide, a chemical linked to life on Earth, in the atmosphere of exoplanet K2-18b. Could ...

Astronomers have a lot of thoughts about the latest paper claiming we’ve found the strongest hints of alien life yet on the distant planet K2 18b.