Pluto, a frigid little world inhabiting the solar system's outer reaches, may have been born as a warmer place sheltering a subsurface ocean that still exists today, researchers said on Monday.
China on Tuesday successfully put into orbit its final Beidou satellite, completing a navigation network years in the making and setting the stage to challenge the U.S.-owned Global Positioning System (GPS).
Billionaire Richard Branson's Virgin Galactic Holdings Inc said on Monday it has signed up with NASA to develop a program to promote private missions to the International Space Station (ISS), sending the shares of the company up about 16%.
A shimmering ring of light flashed into view on Sunday in parts of the eastern hemisphere as the moon drifted across the face of the sun in a rare eclipse on the longest day of the year.
A mysterious 68-million-year-old fossil found on Seymour Island off Antarctica's coast that looked like a deflated football has turned out to be a unique find - the second-largest egg on record and one that may have belonged to a huge marine reptile that lived alongside the dinosaurs.
Scientists have unearthed the first fossils of soft-shelled eggs laid by dinosaurs - two disparate species from Argentina and Mongolia - in a discovery suggesting that the earliest dinosaurs produced such eggs before some lineages turned to hard shells.
China indefinitely postponed on Tuesday the launch of the final satellite of its Beidou navigation network because of technical problems in the rocket meant to launch it into orbit.
A tiny statuette of a bird carved from burnt bone about 13,500 years ago reveals the origins of Chinese art, embodying a style different from prehistoric three-dimensional artwork by people in other parts of the world, researchers said on Wednesday.
Houston-based engineering company KBR Inc said on Monday it was awarded a $570.3 million contract by NASA to develop and execute spaceflight operations at Marshall Space Flight Center in Huntsville, Alabama.
Chilean and Argentine researchers have unearthed teeth in far-flung Patagonia belonging to a mammal that lived 74 million years ago, the oldest such remains yet discovered in the South American country, the Chilean Antarctic Institute reported on Thursday.