Hydrogen cyanide was crucial for early Earth chemistry. A new study says comets almost certainly didn’t deliver it like we’d ...

Earth has a new moon, but don’t get too attached. Earth has a new moon, but don’t get too attached. Our planet’s gravity ...

After 378 days living in a habitat to simulate a mission on Mars, the four-person NASA CHAPEA crew "returned" to Earth on ...

NASA Confirms Two Spacecraft Will Fly Past Earth on Their Way to Mars and will be visible if you have a telescope.

As Global Energy Alliance for People and Planet marks five years since its founding at COP26, its Board of Directors is excited to announce the appointment of Agnes Dasewicz as its next Chief ...

From a small population in eastern Africa, Homo sapiens spread across every continent, displacing megafauna, reshaping ...

NASA's Neil Gehrels Swift Observatory is expected to meet a fiery end as it careens back toward Earth. Here's what to know.

Comets have long been considered possible sources of the chemical ingredients that helped life emerge on Earth. But new ...

When an asteroid ended the dinosaurs, ants thrived, and scientists just uncovered a strange genetic mechanism hiding inside ...

Mysterious rings of planetary debris around a dead star suggest that rocky worlds may survive stellar death, offering clues ...

The future of the search for extraterrestrial life may lie in statistical methods, as Abigail Williams discovers ...