New simulations reveal that the climate, atmospheric chemistry and even global photosynthesis would be dramatically disrupted by an asteroid collision ...

When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

Gravitational lensing often evokes images of a cosmic funhouse mirror: duplicated galaxies, dramatic arcs and distorted ...

Seismic data reveals megaripples in Louisiana, formed by the Chicxulub asteroid’s tsunami 66 million years ago.