About 4.6 billion years ago, an enormous cloud of hydrogen gas and dust collapsed under its own weight, eventually flattening into a disk called the solar nebula. Most of this interstellar material ...

LIVERMORE, Calif.– The oxygen and magnesium content of some of the oldest objects in the universe are giving clues to the lifetime of the solar nebula, the mass of dust and gas that eventually led to ...

Hard and fast details about our solar system’s beginnings are extraordinarily difficult to come by. But a research team using new measurements of pristine magnetic fields within two extremely rare ...

Members of the NAI UCLA team led by Ed Young are using high-precision analysis of tiny grains in meteorites to probe the earliest history of the solar nebula. The age of the solar system is set at ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A rare form of helium may have flooded Earth’s core during the ...

Some 3,000 light years away, shimmering layers of gas formed an almost perfect sphere around the faintly glowing, burned-out core of a dead star. The result looks like a giant crystal ball floating in ...

A new study using observations from NASA's Chandra X-ray Observatory focuses on an X-ray outburst from a young, sunlike star, shedding clues on the recently discovered McNeil's Nebula and on how solar ...

CAMBRIDGE, Mass. -- About 4.6 billion years ago, an enormous cloud of hydrogen gas and dust collapsed under its own weight, eventually flattening into a disk called the solar nebula. Most of this ...