It is the oldest telescope in the world - and it lies at the bottom of the ocean. Ancient sea floor sediments have revealed that a supernova exploded during the Pliocene era and may have caused a minor extinction event on Earth.

Levels of radioactive iron-60 suggest the supernova was between 60 and 300 light years away, says Brian Fields of the University of Illinois a ... Read More »

Oct. 12, 2007 — Think "flying saucer" and UFOs or 1950s B movies come to mind (see "Earth vs. the Flying Saucers" or "The Day the Earth Stood Still"). But now researchers have built an unmanned aerial vehicle that looks and acts like the imagined thing.

The disc-shaped device c ... Read More »

The comet that suddenly became about a million times brighter nearly two weeks ago continues to "shine" with abnormal luminosity, leaving observers puzzled over what caused the outburst and whether the comet will perform an encore in the coming months.

Comet 17P/Holmes is normally an invisible runt of a comet, about 3.3 kilometres across and about 25, ... Read More »

Global warming is killing the world yet most Americans still drive gas guzzling giants that get less than 20 miles to a gallon. When will the change take place with our transportation systems in America? Why the heck don't we invest some money into high speed trains and light rail transit? Europe puts us to shame with their incredible rail way systems that transfer millions of commuters weekly. We must make sacrifices and change in order to progress. Get those big rigs off the road and revert to rail systems for hauling. Why are we letting this happen? Oil moguls of America where will your fortunes be when over half of the largest cities in the world are destroyed by water? No wonder we have so many new drugs to help people sleep. Read More »

A real da Vinci code is indeed hidden within Leonardo's "The Last Supper," according to a book to be published in Italy next week.

But rather than conspiracy theories, the new code points to a hidden musical sc ... Read More »