Science & Tech

The Solar Impulse, a solar-powered airplane with the 208-foot wing-span, has begun a slow journey across the United States.

The National Oceanic and Atmospheric Administration downgraded the southern tanner crab – or bairdi – in its annual report to Congress.

A new video reveals just how close NASA came last year to losing its $500 million Fermi Gamma-ray Space Telescope in a narrowly averted collision with a defunct, Cold War-era Soviet spy satellite.

NASA is calling it “The Rose.” By any other name, it’s a mammoth storm on Saturn’s north pole. Its eye spans an estimated 1,250 miles — 20 times the size of an average hurricane’s eye on Earth.

Virgin Galactic’s SpaceShipTwo — designed to carry paying passengers beyond Earth’s atmosphere — passed a key test Monday, shooting past the speed of sound under its own rocket power.

Alaska Department of Fish and Game sampling for sport-caught ling cod, rockfish, and king and coho salmon has been scheduled for various ports in Southeast Alaska.