You can get a smooth-working machine with useful features once reserved for high-end models. Starting at just $250, these are ...

The Curse of Peladon, 1972. The Time Lords send the Doctor and Jo to the primitive planet of Peladon. King Peladon and his Chancellor ...

Each month, Rancho Mirage Observatory astronomer Eric McLaughlin spotlights a notable celestial event. Here's how to see the ...

A team of Texas A&M engineering students are working on a technology called optical propulsion, which could cut travel time ...

If an alien in the Alpha Centauri star system were craving pizza, it would take tens of thousands of years to deliver it ...

Laser sail propulsion is an idea that won't go away. By aiming powerful Earth-based lasers at tiny spacecraft with light sails, tiny spacecraft can be accelerated to near-relativistic speeds without ...

May’s evening twilight scene is dominated by two brilliant planets: Venus, of magnitude -4, low in the west-northwest; and Jupiter, of magnitude -2, in the west, to Venus’ upper left. At dusk ...

Breaking news headlines, stories and live updates on current affairs from across the globe. Complete coverage on the latest top stories, business, sports, entertainment, and world politics news ...

Greetings! We’re losing Mercury from our early morning skies, but Mars and Saturn are getting easier to see. Saturn is above ...

Explore the 150-year history of Pandora with our guide to James Cameron’s Avatar. From Na'vi biology to RDA technology, see ...

Since Star Trek was beamed into our television sets in 1966, warp drives and faster-than-light engines have been the pillar ...

A team of researchers from Texas A&M University has demonstrated the use of laser beams to lift and steer tiny engineered ...