There have been four major plane crashes in North America in the past month. On Tuesday, passengers at Bradley International Airport weighed in on what's happening.

From the beginning of time to the origins of life, our "when" special series tackles the timing of crucial events and the ...

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

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

Picture a primordial Earth: a world of muted browns, greys and greens. Fast forward to today, and Earth teems with a ...