panspermia
Rogue Planets Could be Habitable
The search for potentially habitable planets is focused on exoplanets—planets orbiting other stars—for good reason. The only planet we know…
Galactic Panspermia. How far Could Life Spread Naturally in a Galaxy Like the Milky Way?
Can life spread throughout a galaxy like the Milky Way without technological intervention? That question is largely unanswered. A new…
Earth’s toughest bacteria can survive unprotected in space for at least a year
A remarkable microbe named Deinococcus radiodurans (the name comes from the Greek deinos meaning terrible, kokkos meaning grain or berry,…
Astronomers Finally Think They Understand Where Interstellar Object Oumuamua Came From and How it Formed
'Oumuamua caused quite a stir when it visited our Solar System in 2017. It didn't stay long, however, and when…
A Microorganism With a Taste for Meteorites Could Help us Understand the Formation of Life on Earth
A new study by a team astrobiologists shows how certain types of extreme bacteria thrive on meteors, which could reveal…
Comets and Interstellar Objects Could be Exporting Earth Life Out into the Milky Way
A new study suggests that comets and asteroids that graze Earth's atmosphere might be responsible for the spread of life…
The Milky Way Could Be Spreading Life From Star to Star
A new study from the Harvard-Smithsonian Center for Astrophysics addresses the possibility of panspermia on a galactic (and intergalactic) scale
The Solar System Probably has Thousands of Captured Interstellar Asteroids
According to a new study by a team of Harvard researchers, there could be thousands of interstellar asteroids like ‘Oumuamua…
Galactic Panspermia: Interstellar Dust Could Transport Life from Star to Star
A new study by Arjun Berera, of the University of Edinburgh, has indicated that space dust may be a possible…
Building Rovers That Can Detect Life and Sequence DNA on Other Worlds
A team from MIT (with support from NASA) is building an instrument that will be able to test for signs…