Perseverance's drives over the last few weeks have doubled back several times. Why such an unconventional route? Team ...

Tropical riparian ecosystems—those found along rivers and wetlands—recovered much faster than expected following the ...

The threat from space rock 2024 YR4 has surpassed that of Apophis, an asteroid feared by scientists 20 years ago. The danger remains low, but experts are estimating the damage that could be done.

Fluctuations in ancient Earth’s environment might have propelled the chemical complexity that laid the foundation for life.