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Detection of ammonium salts may be a further indication that comet impacts may have made life on Earth possible.

New evidence has confirmed Australia’s Yarrabubba crater as the world’s oldest preserved impact structure - but did it thaw Earth and end an ice age?

New study finds surface waters on early Mars may have been habitable for microbial life

Astronomers have identified where molecules containing phosphorus form, how this element is carried in comets, and how a particular molecule may have played a crucial role in starting life on our planet.

Researchers unveil the possible origins of our cosmic neighborhood’s “Great Divide.” This well-known schism may have separated the solar system just after the sun first formed.

NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered its first Earth-size planet in its star’s habitable zone, the range of distances where conditions may be just right to allow the presence of liquid water on the surface.

NASA's TESS mission finds first circumbinary planet, a world orbiting two stars.

Scientists have developed a new method for detecting oxygen in exoplanet atmospheres that may accelerate the search for life.

Roughly a hundred of very red, star-like sources have appeared and vanished in short period of time. Researchers are taking extra-terrestrial sources into account.

NASA has big plans for returning astronauts to the Moon in 2024, a stepping stone on the path to sending humans to Mars. But where should the first people on the Red Planet land?