U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...

Near a planet far, far away astronomers have found traces of chemicals that on Earth are only produced by living beings.

Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even ...

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The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed of chunks of rock and ice like comets, dwarf planets, and random objects ...

Using the James Webb Space Telescope, scientists say they found indications of potential life on K2-18b, a planet outside our solar system.

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

NASA’s James Webb Space Telescope provided a closer look at the aftermath of a star that wreaked violence on its planet ...

Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth.

Carbon dioxide has been detected on a planet outside our solar system for ... making it a key target in the search for life elsewhere in outer space. Plus, because CO 2 condenses into tiny ice ...