Solar system
Life on Mars? NASA rover finds potential sign of ancient alien life in Martian rocks
The discovery in Jezero Crater represents one of the best pieces of evidence to date about the possibility that Earth's planetary neighbor once harbored life.
A new guest in the cosmic neighborhood: The possible extraterrestrial origins of 3I/ATLAS
Is 3I/ATLAS an alien space probe? An irregular comet? Debate rages around status of 3rd interstellar object ever spotted. Harvard astrophysicist Avi Loeb discusses implications with ‘Magazine.'
