Scientists have come up with a clock so accurate that it could even redefine the length of a second.
Archaeologists have unearthed what is only the second known Viking site ever discovered in North America.
Virgin Galactic will be debuting the second of its suborbital space tourism vehicles in February.
A monstrous diamond, the second largest ever discovered, has been dug up at a mine in Africa.
A female snake has given birth to young for the second time in two years without a male's contribution.
The gigantic specimen was reeled in during a fishing trip to Hokkaido, Japan's second largest island.
The sophisticated new material is capable of healing all on its own within a matter of seconds.
The aerospace giant has developed a new weapon system designed specifically to shoot down drones.
Scientists at Osaka University in Japan have managed to fire a two-petawatt laser for one picosecond.
Astronomers using the Kepler Telescope have found the most Earth-like extrasolar planet ever discovered.
Scientists in Japan have developed a new type of hologram that can be both observed and touched.
World time authorities are preparing to add an extra second to the clocks at midnight on June 30.
The space agency will be testing out its futuristic Mars landing system over Hawaii this week.
Astronomers have identified an unbound star that's moving faster than any ever seen before.
A terrified hiker managed to record several seconds of footage before legging it from the scene.
NASA has revealed that another mysterious bright spot has been discovered on the dwarf planet's surface.
The newly found Kepler 438b is being hailed by astronomers as the most Earth-like world ever found.
An extra second being added to the clock at the end of June could cause disruptions on the Internet.
Cody Townsend made headlines this week after careening down a near-vertical mountain crevice on skis.
An incredible stick insect measuring up to 54cm long has been found by researchers in Vietnam.