Advanced alien civilizations could probably already tell that there's intelligent life on Earth, thanks to our cell phone towers.
Archaeologists in Hungary have unearthed a 2,000-year-old collection of medical tools, including forceps and scalpels. They think the tools belonged to a physician from the Roman Empire who had traveled beyond its frontiers t
Astronomers have spotted a bright flash of light from a Jupiter-size world being consumed by its own star in a preview of Earth’s likely fate.
Scientists studying a star system in Orion witnessed one of the most powerful stellar eruptions ever seen — and it could be devastating to nearby planets.