A new class of ‘Hycean’ planets may have just expanded the definition of habitability.
Signs of life on Europa would be most accessible in the fallout of landslides or fresh craters, suggest a new study.
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.
Europa is one of the most promising candidates for life in the solar system, and a new 3D model reveals where to look for signs of aliens.
A new study suggests that an alien world that smashed into infant Earth and created the Moon might have left vast remains inside our planet.
Most scientists think the first interstellar visitor to our solar system has a natural explanation. Harvard professor Avi Loeb makes the case for an alien origin.
Scientists have long dreamed of sending Martian rocks back to Earth. NASA’s new rover is about to kick off the decade-long process.
Amir Siraj, a student studying astrophysics at Harvard University, talks about the potential spread of life throughout the Milky Way in a VICE News interview.
Lisa Kaltenegger, director of the Carl Sagan Institute at Cornell, talks exoplanets, telescopes, and first contact.
“The night-time ice glow occurring on Europa may be very unique and unlike any other phenomenon in our Solar System,” according to a new study.
The finding can help shed light on the origin of life on Earth, which might have been spurred in part by the delivery of organic compounds inside meteorites like Hamburg.