Trillions of alien ‘robot probes’ may be in space but are too small for NASA to spot, shock paper claims
Space scientists may have missed alien probes because they're just too small. That's the bold claim from an astrophysicist who reckons we've been looking for extraterrestrial life the wrong way. The argument
The Washington Post first reported on the states’ interest in joining the investigation. Will Castleberry, vice president for state and local policy at Facebook, said in a statement that the company would
(CNN) — While the ozone hole over Antarctica typically grows in September and October, scientists observed the smallest ozone hole since they first began observing it in 1982, according to a joint release
Neuroscientists may have crossed an “ethical rubicon” by growing lumps of human brain in the lab, and in some cases transplanting the tissue into animals, researchers warn. The creation of mini-brains
As NASA astronauts Jessica Meir and Christina Koch were completing their history-making spacewalk (the first with an all-woman crew) on Friday, President Donald Trump decided to butt in. Naturally, it
Will you be alive in 2061? If not, your only chance to see something of Halley's Comet comes in both early May and late October each year when Earth moves through streams of particles the great comet in
Somewhere in the galaxy, a white dwarf star suddenly started shining brightly. And now we understand the violent cataclysm that caused it: the star's gravitational field tore the asteroid to bits, scattering
Koch was first to venture out of the ISS with a red tether attached to her suit. Meir soon followed, carrying a tool bag as she made her way out of the hatch at 7:49 a.m. The spacewalk was originally for
WASHINGTON (AP) — Expect big swings in weather this winter, government forecasters say. The National Weather Service says the large global forces that help drive broad patterns of winter weather are weak,
An incredibly rare yellow cardinal has been spotted in Florida. An expert says it's 'one in a million'
(CNN) — An extremely rare yellow northern cardinal was spotted in Port St. Lucie, Florida, exciting bird enthusiasts and drawing in anyone who can appreciate a good bird photo. While there is no precise
Earth is changing faster than anyone can comprehend. Every day, more forests burn, more glaciers melt and more evidence of the world's ancient cultures slips away. Change of some kind is, of course, inevitable
In the last 500 million years, life has had to recover from five catastrophic blows. Are humans dealing the planet a sixth? More than 99 percent of all organisms that have ever lived on Earth are extinct.