It’s not much of a stretch to say that Earth’s inner structure, especially the innermost spherical core, has stupefied scientists for generations. It sits over 3,000 miles below the surface, smaller ...

NASA's Perseverance rover landed on Mars in 2021 to search for signs of ancient microbial life and to help scientists ...

New research is reshaping how scientists understand the earliest days of Earth’s formation—suggesting that the deep interior ...

Lake Salda, in southwestern Turkey, bears a close resemblance to Mars' Jezero crater, which is currently being sampled by ...

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

Could supernovas have triggered ancient mass extinctions on Earth? New research explores how cosmic explosions may have ...

A research team linked nearby stellar explosions to at least one, possibly two, mass die-offs after calculating the supernova ...

Clouds are reflecting less sunlight, trapping heat, and rapidly accelerating global warming beyond predictions.

Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, ...

A surprising new study from Dartmouth and the University of Exeter researchers shows that when the supermassive black holes at the center of most large galaxies—including the Milky Way—consume ...

Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...