Wyoming had tropically hot temperatures 95 million years ago, shows study
A new Michigan study found the shallow sea that covered much of western North America 95 million years ago was as warm as today’s...
Volcanoes may have killed Venus with a runaway greenhouse, and almost the Earth too
What turned Venus into hell?
It could have simply been a steadily-warming Sun, but new research suggests that Volcanoes may have played a role in...
This black widow star devours its rapidly circling companion
In black widow star systems, a rapidly spinning dead star, called a pulsar, blasts its orbiting companion with radiation, slowly evaporating it.
Like their namesake...
Scientists find better exoplanet candidates to search for life
As the scientific community searches for worlds orbiting nearby stars that could potentially harbor life, a new study suggests that younger rocky exoplanets are...
Why the Vikings left Greenland?
One of the great mysteries of late medieval history is why the Norse, who established successful settlements in southern Greenland in 985, abandoned them...
Scientists find new ichthyosaur, one of the largest animals ever, in the Alps
The first ichthyosaurs swam through the primordial oceans in the early Triassic period about 250 million years ago.
They had an elongated body and a...
4-billion-year-old crystals offer clues to when plate tectonics began
Scientists have long understood that plate tectonics, the drift of separate, rigid plates that make up the Earth’s crust, formed continents and mountains.
It was...
Scientists reveal an Earth-like alien world on Saturn’s moon Titan
Saturn's moon Titan looks very much like Earth from space, with rivers, lakes, and seas filled by rain tumbling through a thick atmosphere.
While these...
Our Earth likely formed inside a solar nebula, shows study
Helium-3, a rare isotope of helium gas, is leaking out of Earth's core, according to a new study.
Because almost all helium-3 is from the...
Russia’s timeline in Ukraine has accelerated. Here’s what you need to know
After peace talks fell through several weeks ago, Russia’s war in Ukraine has been ramping up in the eastern part of the country.
As the...