Aliens didn't send this 40-year-old signal from space
A comet did.
'Alien: Covenant' preview evokes original's nostalgic last supper
You know something bad is going to happen, though, and soon.
Dissecting the alien language in 'Arrival'
Or, how filmmakers coded (and decoded) those mysterious circles.
ICYMI: The ESA's mission to Mars launches next week
Get your Jiffy Pop ready.
SETI's 'unusual signal' most likely came from Earth
Additional analysis has ruled out the possibility that it was sent by an alien civilization.
SETI researchers investigate an unusual signal
It's probably not a hint of aliens, but it's strong enough to raise eyebrows.
We still don't know why 'alien megastructure' star is dimming
Kepler telescope data proves that its light decreased over four years, but not why.
ICYMI: NASA hunts for life hidden in an asteroid
Life could have begun with the impact of organic materials.
Astronomers scan for disappearing stars
They're hopeful that this will be a hint of intelligent alien life, but it could also offer insight into quasars.