Image: Liu Xu / Xinhua / AP
“Extraordinary claims require extraordinary evidence.”
– Carl Sagan (Cosmos, 1980)
This phrase is the standard that astronomers will be applying to a curious...
Image: ESO
Can we find alien technology? That is the ambitious goal of the Galileo Project, launched this week by Harvard astrophysicist Avi Loeb with...
An artist’s impression of `Oumuamua, assuming it’s
a rock. ESO/M. Kornmesser
The mystery object discovered earlier this year travelling through our Solar system is...