In Arctic Siberia, Russian scientists are trying to stave off catastrophic climate change—by resurrecting an Ice Age biome complete with lab-grown woolly mammoths.
America’s skies are set to dim at a strange hour of its history.
The Cassini spacecraft gives us a rare glimpse of ourselves from between Saturn's rings.
He may come to regret it.
Two Atlantic writers on the very high highs, and (perhaps) the very low lows, of the genre
How President-elect Trump could affect our ability to understand our changing planet
Innovations in space exploration are making galactic travel increasingly tangible.
A new paper on “Genesis missions” explains how interstellar probes could accelerate evolution on distant planets.
On the sublime scenery that might await us on exoplanets.
Could Freon in the atmosphere of a distant planet be the thing that finally confirms humankind is not alone?
An astrophysicist says extraterrestrial civilizations “almost certainly” existed at one time or another. Here’s what’s wrong with his argument.
Yuri Milner is spending $100 million on a probe that could travel to Alpha Centauri within a generation—and he's recruited Mark Zuckerberg and Stephen Hawking to help. In an interview with The Atlantic, Milner makes his case for star travel.
Bob Ebeling, the engineer who foresaw the Challenger disaster, and lived with guilt for decades, has died.
To know the Earth’s future, you must first know its past.
What went unsaid in last night’s debate.
A behind-the-scenes look at the NASA telescope that will search for signs of life on distant planets
Time is running out on the agency’s most ambitious science mission in generations, and that means no stopping for anything—not even a historic blizzard.
Astronomers think they may have found a “super earth” lurking in the outer solar system.
We recently published an article naming Jupiter “the best planet.” As everyone knows, Saturn is the best planet. We regret the error.
Saturn, not Jupiter, is the best planet.
Staff picks of our favorite science, technology, and health stories from 2015