Inge Lehmann was the seismologist and mathematician who figured out what the Earth's core was actually made of.
Feel like visiting another star system or dimension? You can do this by traveling through a black hole.
When government wouldn't fund female fieldwork, Agnes Chase pulled together her own resources.
Dressed in a petticoat and bonnet, Mary Anning climbed precarious cliffs to find prehistoric fossils.
Once seasonal migrants, the iconic birds of prey are settling in the state.
Heliconian butterflies choose mates with similar wing patterns. Their genes make them do it.
It's taken scientists a long time to figure out what amber is made of, and what we can learn from it.
Since the 1950s, scientists have been proposing supernovae as catalysts for mass extinctions. But can it be proven?
Efforts to fill the periodic table raise questions of special relativity that “strike at the very heart of chemistry as a discipline.”
Forty-one years after its launch, Voyager 2 has officially crossed out of the solar system and into interstellar space. What has it discovered along the way?