Hints of high-pressure chemistry within a rare meteorite suggest this fallen space rock comes from a planet gone wrong in the ...

When severe solar storms hurtle toward Earth, the planet's first line of defense is its magnetosphere, a vast magnetic bubble ...

Our solar system may have hosted up to six giant planets in its first hundred million years, a new study suggests. The findings paint a more crowded picture of the early outer solar system than ...

Asteroids and planetesimals regularly bombarded Earth between about 4.6 billion and 3.5 billion years ago, during the Hadean ...

Theories about how ice crystals grow in cooling liquids are wildly inaccurate when compared with experimental data, but ...