Astronomers use vanishing neutron star to measure space-time warp
In an interstellar race against time, astronomers have measured the space-time warp in the gravity of a binary star and determined the mass of a neutron star—just before it vanished from view.
Ancient star system reveals Earth-sized planets forming near start of universe
A Sun-like star with orbiting planets, dating back to the dawn of the Galaxy, has been discovered by an international team of astronomers.
Europe destroys last space truck to ISS
The European Space Agency (ESA) on Sunday said it had destroyed its last supply ship to the International Space Station, bringing a seven-year venture to a successful close.
Researchers learn more about the possible role of gamma ray bursts on life extinction in the universe
How long does it take to get to Pluto?
It's a long way out to the dwarf planet Pluto. So, just how fast could we get there?
Ancient, hydrogen-rich waters discovered deep underground at locations around the world
A team of scientists, led by the University of Toronto's Barbara Sherwood Lollar, has mapped the location of hydrogen-rich waters found trapped kilometres beneath Earth's surface in rock fractures in Canada, ...
New way to calculate how long it would take to fall through a hole in the Earth
Mystery of where Earth's water came from deepens: Comet water is different
The mystery of where Earth's water came from got murkier Wednesday when some astronomers essentially eliminated one of the chief suspects: comets.
Scientists re-create what may be life's first spark
Scientists in a lab used a powerful laser to re-create what might have been the original spark of life on Earth.
How can dark matter cause chaos on Earth every 30 million years?
In 1980, Walter Alvarez and his group at the University of California, Berkeley, discovered a thin layer of clay in the geologic record, which contained an unexpected amount of the rare element iridium. ...
North american plate shattered speed records a billion years ago
North America traveled in fast company back in its youth.
New instrument reveals recipe for other Earths
How do you make an Earth-like planet? The "test kitchen" of Earth has given us a detailed recipe, but it wasn't clear whether other planetary systems would follow the same formula. Now, astronomers have found ...
Super-Earths have long-lasting oceans
For life as we know it to develop on other planets, those planets would need liquid water, or oceans. Geologic evidence suggests that Earth's oceans have existed for nearly the entire history of our world. ...
A hard drive from space: Hidden magnetic messages uncovered
The dying moments of an asteroid's magnetic field have been successfully captured by researchers, in a study that offers a tantalising glimpse of what may happen to the Earth's magnetic core billions of years ...