An entirely new lineage of the mysterious human relatives called Denisovans has been discovered.
The event horizon is the threshold around the black hole where the escape velocity surpasses the speed of light. Here's what that means.
From a societal standpoint, you need a divine power watching you only if your neighbor isn't doing so.
A gigantic solar storm hit Earth about 2,600 years ago, one about 10 times stronger than any solar storm recorded in the modern day, a new study finds.
A distant alien world that was potentially on its way into exile in interstellar space was rescued by the gravitational pull of a passing pair of stars, a new study argues.
Analyzing ripples in the fabric of space and time created by pairs of dead stars may soon solve a cosmic mystery surrounding how quickly the universe is expanding — if scientists are lucky.
In a nearly 5,000-year-old tomb in Sweden, researchers have discovered the oldest-known strain of the notorious bacterium Yersinia pestis.
Way more sex happened between Neanderthals and the ancestors of modern humans across Europe and Asia than scientists originally thought, a new study finds.
The first mission designed to hunt a meteorite that crashed into the ocean has now discovered what may be tiny fragments of the meteorite's crust, researchers say.
A black hole could have 1 million planets orbiting near it that are potentially capable of supporting life as we know it, an astrophysicist suggests.
The odd shapes of the inner moons of Saturn, from ravioli to potatoes, may be due to mergers of tiny moonlets, a new study finds.
Physicists speculate that decaying neutrons may be producing particles unknown to science that make up the elusive dark matter.
Any alien civilizations born on "super-Earth" planets may be ground-bound by their home worlds' powerful gravity, a new study suggests.
This is a serious question, and serious scientists are speculating about what traces these potential predecessors might have left behind.