U.S. Navy pilots and sailors won’t be considered crazy for reporting unidentified flying objects, under new rules meant to encourage them to keep track of what they see. Yet just a few years ago, the Pentagon reportedly shut down another official program that investigated UFO sightings. What has changed? Is the U.S. military finally coming around to the idea that alien spacecraft are visiting our planet?
It’s too soon to tell if we’re already in Solar Cycle 25.
The long-sought matter appears to have been hiding in the gaps between galaxies
This galaxy would have once looked a lot like the early Milky Way.
Chimpanzee lip smacks follow the rhythm of human speech, a study has found.
New simulations from Imperial College London have revealed the asteroid that doomed the dinosaurs struck Earth at the ‘deadliest possible’ angle.
A black hole burp filled the Milky Way’s center with mysterious invisible structures, a new study suggests.
Blasts differ from ‘ordinary’ supernovae, gamma-ray bursts
Dormant “zombie fires” scattered across the Arctic region — remnants of record blazes last year — may be coming to life after an unusually warm and dry spring, scientists warned Wednesday.
Roughly half of the “normal” matter in the universe—the stuff that makes up stars, planets, and even us—exists as mere wisps of material floating in intergalactic space, according to cosmologists. But astronomers had no good way to confirm that, until now.
