Iceland may be the last exposed remnant of a nearly Texas-size continent — called Icelandia — that sank beneath the North Atlantic Ocean about 10 million years ago
Evidence of collisions between black holes and neutron stars suggests dark matter might consist of concentrations of primordial black holes.
Scientists are finally figuring out how much dark matter — the almost imperceptible material said to tug on everything, yet emit no light — really weighs.
Rare mounds of a crystalline mineral have emerged above the surface of Utah's Great Salt Lake, where they're expected to remain just a few months before disappearing again.
Two new sunspots have ended a long period of relative quiet on the surface of our blazing host star, heralding the start of a new 11-year cycle of sunspot activity.
Scientists are scouring the remote Antarctic ice cap for rare meteorites chock-full of iron and holding secrets to the history of our solar system going back some 4.5 billion years.
When a Russian Soyuz spacecraft launches from Kazakhstan for the International Space Station Wednesday, it will carry a humanoid robot called Skybot F-850.
A new photograph from the Hubble Space Telescope shows the spectacular consequences when two galaxies collide.
The Zephyr drone could be used for military reconnaissance and wildfire monitoring, among other activities.
A curious prehistoric site on a hilltop in northern Ohio may reflect the spiritual cosmology of the ancient hunter-gatherer people who built the site around 2,300 years ago, according to a new study.