Scientists discover that under certain conditions two kinds of water exist.
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The Russian mindset is characterized by cynicism and distrust.
Time runs backward there. Other physicists are not convinced.
Mammals have a history stretching back 325 million years. To study that ancient history is to know our own origins.
Strange bone circles made from mammoths revealed clues about how ancient communities survived Europe’s last ice age.
Sure, we’re warming now. But will this continue, or will natural factors change things? According to our best understanding of Earth’s climate, the global average temperature has increased significantly over the […]
Atop certain glaciers are herds of small mossy balls that somehow move together when no one’s looking.
Leap years will only get us through the next few thousand years before we have to fix it. With every year that passes, we assume that two separate things will both […]
The largest moon around our last planet didn’t originate with Neptune. When it comes to the moons of our Solar System, there’s only one planet that doesn’t fit in with our […]
Scientists have identified the largest ever assemblage of mammoth bones.
Catch Saturn at its biggest and brightest, and view its rings while you still can. Right now, in Earth’s skies, Saturn appears at its biggest and brightest. A view of tonight’s […]
Introducing the Deep Space Food Challenge.
Walter Pitts rose from the streets to MIT, but couldn’t escape himself.
Shortly after planet Earth formed, life took a permanent hold on our surface. But just how common is such an outcome?
Penguin poop and climate change are fuelling the spread of ‘snow algae’ down the Antarctic Peninsula
For the first time in many years, there’s currently a comet visible to the naked eye in Earth’s night sky: comet NEOWISE. For the first time in many years, there’s currently […]
Yes, the Universe is expanding, but you might wonder, “How fast is it expanding?”
Opponents of 19th-century American imperialism were not above body-shaming the personification of the U.S. government.
If an AT-AT walker (or something even larger) wanted to walk across a frozen lake, how thick would the ice have to be? Each winter, one of the most spectacular phenomena […]
Archaeologists suggest this may have been the Americas’ “oldest hotel.”
Global warming has shown that permafrost is not so permanent after all.
We’re safeguarding the world’s seeds in the Arctic, why not our most precious data?
A new study tracks the human-dog relationship through DNA.
In his new book, “The Wedge,” Scott Carney tests the boundaries of human resilience.
The future of cities on the Moon, Mars and orbital habitats.
Scientists uncovered the secrets of what drove some of the world’s last remaining woolly mammoths to extinction.
The rings are raining down onto the planet, and disappearing surprisingly fast. 4.5 billion years ago, our Solar System first formed. Protoplanetary disks, which all solar systems are thought to […]
65 million years ago, an asteroid strike caused the 5th great mass extinction. Could we save Earth, today, from a similar event?
As particles travel through the Universe, there’s a speed limit to how fast they’re allowed to go. No, not the speed of light: below it.
In terms of the planets we’ve discovered, super-Earths are by far the most common. What does that mean for the Universe?