The production of nanodiamonds from PET plastic paves the way toward a new form of recycling, and even has implications for exoplanets that rain diamonds.
Life on a rogue Super-Earth would be difficult, but organisms have been shown to thrive even in very extreme conditions on regular Earth.
Methane is a potential sign of life that the James Webb Space Telescope can readily detect on other worlds, reports a new study.
The luminous moment that a dead star swallows the torn-up remains of its planetary bodies has been witnessed for the first time.
A new class of ‘Hycean’ planets may have just expanded the definition of habitability.
Scientists analyzed how many planets in other solar systems could detect Earth both 5,000 years into the past and 5,000 years into the future.
Scientists discovered tectonic motion on our sister planet in observations from a spacecraft that died there decades ago.
Lisa Kaltenegger, director of the Carl Sagan Institute at Cornell, talks exoplanets, telescopes, and first contact.
Worlds orbiting small red dwarf stars might be less vulnerable to damaging space weather, which could boost the odds that they host life.