Death of the mastodon

Death of the mastodon
It’s one of the biggest puzzles of paleontology: Why did North America’s large mammals go extinct shortly after the glaciers melted More »

North Korea’s nukes

North Korea’s nukes

Underground nuclear tests have been the biggest roadblock to a comprehensive test ban. How are these explosions detected, and how More »

Counting birds

Counting birds

The feds put out a massive report on American birds, and the #1 source of data is – amateurs! What is the role of amateurs in More »

Embryonic stem cells

Embryonic stem cells

Pres. Obama has removed some limits on studies of cells that can become any body cell. What was lost in eight years of limits on More »

Dig the latest top tech tricks

Dig the latest top tech tricks

What you can’t see can still interest you. Archeologists use radar, magnetic, electrical gizmos to see through the ground. More »

Mechanical mouth makes debut

Mechanical mouth makes debut

To measure the molecules that give food taste, you need a standardized eating machine. Meet the mechanical masticator! More »

Snails in Tahiti

Snails in Tahiti

Old museum collection sheds light on vanishing land snails of Polynesia. More »

Space Science: By Human or Robot?

Space Science: By Human or Robot?

Space shuttle Columbia has crashed, raising questions about research on the space shuttle and the International Space Station. More »

Space Telescope Gets Fixed

Space Telescope Gets Fixed

Hubble Space Telescope is fixed, will add to history of discovery. Get a gander of galaxies, quasars, gamma ray sources, and more! More »