Scientists have discovered 26 previously unknown bacterial species in the clean rooms that were used to prep NASA's Phoenix Mars lander for its 2007 launch.
A unique type of bacteria appears to have social groups — left alone, they'd die.
An independent analysis of recent data from K2-18b casts doubt on claims of detecting alien life on the distant exoplanet.
As scientists, we must not forget our collective direction: the pursuit of truths and our responsibility to share these truths — and only these truths — with humanity.
Last week, scientists announced they found the "strongest evidence yet" of alien life beyond our solar system. However, the scientific community remains skeptical.
Alien life could exist on the huge Saturn moon Titan, but probably not in the abundance scientists once hoped, according to a new study.
The LIFE mission would feature four space telescopes acting together to search for biosignatures on rocky planets in the habitable zones of their stars.
Two nearby explosive massive star deaths, or supernovas, may have triggered mass extinction events in Earth's distant past, new research suggests.
A rock on Mars that may hold clues about ancient microbial life on the Red Planet continues to puzzle scientists.
"We were surprised that water could actually form so early on — even before the birth of the first galaxies."