The meteorite weighs about 54 lbs. and is approximately 15 inches across at its widest section, per the release. The house also stated that the “incredibly rare discovery” was ejected from the surface ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

A study of fossils from the Permian-Triassic extinction event 252 million years ago shows that forests in many parts of the ...

which are key factors in shaping the planet’s surface environment, hinting at Mars’ dynamic geological past. Studying Martian dunes also allows scientists to compare them with terrestrial dunes, ...

Researchers now appreciate that gas planets are more complex than first thought. New findings have implications for our ...

For the study, the researchers used computer models to examine how the final 1 percent of a planet’s formation could play an enormous role in determining if a terrestrial planet could host life as we ...

Our terrestrial planets—Mercury, Venus, Earth and Mars—formed as smaller rocky objects accumulated, or accreted, into larger planetesimals and eventually protoplanets, when late impacts made ...

Our terrestrial planets — Mercury, Venus, Earth and Mars — formed as smaller rocky objects accumulated, or accreted, into larger planetesimals and eventually protoplanets, when late impacts ...

Here’s how it works. Plato, the European Space Agency's terrestrial planet hunter spacecraft, is seen after having 24 of its 26 cameras installed. (Image credit: European Space Center/P. Sebirot) ...

Life looked different after an asteroid crashed into the planet around 66 million years ago. The dinosaurs died out, the arboreal mammals declined, and the terrestrial mammals thrived. The traditional ...

The process is quick. “After about 10 million years, you expect most of the planet formation to be done,” says Schuyler Wolff of the University of Arizona, who led the Hubble observations of Vega.

A planet like Earth has an iron-nickel core that comes in two parts, a solid inner core and a molten outer core. When any terrestrial planet is born, its core is entirely molten, and the solid ...