Article about Triceratops' horns and their purpose. Triceratops had a sharp horn growing above each eye and a smaller horn growing in the center of its nose. Scientists wonder...

Astronomers observe the formation of a red nova which occurs when two stars merge and explode.

New evidence that two of the satellite galaxies orbiting the Milky Way are new arrivals.

Personal account of the author's first solo flight at age 16. She's been a pilot and flight instructor for the past two decades.

Urban kit foxes have adapted to living in cities and are even doing better than their country cousins.

See how a backyard hole becomes a beautiful home for many little creeatures.

George Nakashima insisted that he was not an artist but his furniture has been exhibited in major art museums.

Dan Kriesberg tells how his observations as a child helped him become a wildlife biologist.

Spiny lobsters frighten predators by making sounds like a violin.

Learn about "change blindness"--how we can look at something but not really see it!