Crepuscular rays form around twilight when particles in the atmosphere reflect the sun's light beams toward our eyes. See photos of the phenomenon here.
A new ancient mammal species, that lived 65 million years ago, is thought to be the earliest known ancestor of hoofed animals like deer, pigs, and horses.
A new study from MIT shows that climate and intense weather events like heavy snowfall and rain helped produce a swarm of earthquakes in Japan starting in 2020.
Researchers use satellite data to aid tiger conservation efforts. Tigers are losing their habitat, but there are still many areas they could expand into.