NASA astrobiologist Lindsay Hays takes a stab at answering one of life's most fundamental questions.
New evidence has helped scientists pinpoint exactly when the Vikings were active on the continent.
Scientists now believe that the odds of finding alien life in the Milky Way are far higher than anyone had realized.
Scientists have warned that a devastating solar storm could disrupt the world's Internet for months.
Scientists at MIT have developed a superconducting magnet that could be the key to harnessing fusion power.
Scientists have determined that zinc-infused proteins enable spiders and insects to puncture tough skin.
Scientists searching for life-bearing exoplanets have identified a new class of potentially habitable world.
Scientists are close to proving that a cube of uranium was part of Germany's secret WWII nuclear program.
Scientists have succeeded in producing a record-breaking burst of energy using lasers and nuclear fusion.
Scientists have captured very rare footage of a particularly unusual type of fish off the coast of California.
Scientists have identified a mammoth that roamed a distance equivalent to circling the entire planet twice.
Climate experts have detected warning signs that the Gulf Stream could collapse in the not-too-distant future.
Scientists have discovered an ancient species of worm-like amphibian in Florida for the first time.
Scientists have identified two unusual asteroids between Mars and Jupiter that shouldn't actually be there.
A recent underwater expedition picked up footage of a surprisingly familiar looking sponge and starfish.
Scientists have observed a type of slime mold that is surprisingly brainy given its total lack of a brain.
A team of scientists has launched a new project with the aim of hunting down alien technosignatures.
Some scientists have speculated that consciousness could be the product of quantum processes.
A book written 70 years ago by German rocket scientist Wernher von Braun made a rather striking prediction.
Gravitational waves are helping scientists to unravel the mystery of what happened when the universe began.