Researchers recreated conditions from billions of years ago and found that Earth’s young atmosphere could make key molecules ...

Study finds Earth's ancient atmosphere may have produced essential sulfur biomolecules like cysteine, challenging theories on ...

Billions of years ago, Earth’s atmosphere was hostile, with barely any oxygen and toxic conditions for life. Researchers from the Earth-Life Science Institute studied Japan’s iron-rich hot springs, ...

According to a new study, living cells outnumber stars in the universe, highlighting the deep, underrated link between geophysics and biology. By Dennis Overbye What’s in a number? According to a ...

Early in 1993, a manuscript landed in the Nature offices announcing the results of an unusual — even audacious — experiment. The investigators, led by planetary scientist and broadcaster Carl Sagan, ...

Calcium tartrate crystals can coexist with tartrate-containing polyester microdroplets, suggesting the potential for dynamic phase transitions of tartrates or tartrate-containing molecules on early ...

Asteroid impacts and volcanism have led to mass extinctions on our planet. Illustration by Emily Lankiewicz / NASA / Public Domain Life’s first major catastrophe crept across the planet with the ...

Scientists can usually spot coronal mass ejections before they mess with GPS and cause power outages—but this one snuck past ...

The first life-forms on Earth drew energy from sunlight filtering down into the ocean depths. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. By ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

Inside the ruined shell of reactor 4 at Chernobyl, where gamma radiation still spikes far above normal background levels, a ...