Aliens Could Be Visiting Our Solar System and Releasing NASA-Like Probes, Pentagon Officials Say
New report says an alien "mothership" could be observing Earth.
Scientists Revive "Zombie Viruses"
Should you worry? Long-dormant organisms are emerging as climate change melts permafrost in the Arctic.
A 1,000-Pound Meteoroid Crashed Over Texas, Shaking Residents' Houses, NASA Says
The space rock was two feet in diameter and weighed 1,000 pounds.
These Are the Deadliest Seats on Airplanes, According to Scientists
Some seats carry a greater risk than others.
U.S. Just Recorded Its Coldest-Ever Temperature
The all-time low came during the recent arctic blast that hit much of the Northeast.
The Zombie Fungus From "The Last of Us" Is Real, Scientists Say—Here's What We Know
It's capable of infecting insects and draining the host body completely of nutrients.
Déjà Vu May Be Your Brain Correcting Its Own Errors, Scientists Say
Brain "checks" feeling against memories.
Extremely Rare Meteorite That Contains Some of the Oldest Material in the Solar System Discovered in Antarctica
"The size of a bowling ball but twice the weight of a bowling ball."
Earth's Inner Core Has Stopped Spinning in the Same Direction as the Rest of the Planet, Study Says
Inner core rotates "like a swing."
Rich Guy Spends $2 Million Per Year to Look 18 Again—and His Doctors Say it's Working
Bryan Johnson is spending millions of dollars to try and regain his youth.
Scientists Invent Shape-Shifting "Terminator" Robot to Escape Cage Through Metal Bars
It can jump, climb walls, and split in half.
Rare Green Comet Passing Earth Now Visible
The last time you could see this celestial object from our planet was 50,000 years ago.
Next Total Solar Eclipse Will Be Last Until 2044
You'll have to wait two decades to watch another one of the celestial events.
Rare Green Comet Appears in the Sky Tonight
It's possible you may even be able to spot the object without binoculars.
Dinosaurs Were Cut Down in Their Prime When Fatal Asteroid Hit Earth, New Study Reveals
Age-old science mysteries resolved.
The Oldest DNA Ever Discovered by Scientists Could Explain How Humans Evolved
It's believed to be two million years old.
NASA Awards $57 Million Contract to Figure Out Building Roads and Homes on the Moon
"Humanity's first construction on another world."
Scientists Find Two New Minerals in A Huge Meteorite That Fell to Earth
The discovery could hold fundamental clues.
How to Watch the Moon Photobombing Mars on On December 7: "A Rare and Wonderful Astronomical Event"
You have to be in the right place at the right time to see it.