Earth and Mars may be close neighbors today, but scientists say the two planets took different routes during their formation.

Animals seem to appear in the fossil record fairly suddenly, a little over half a billion years ago. Yet rocks can preserve ...

Scientists may have solved why the length of Earth’s day changes by a few milliseconds over decades. Subtle shifts in the ...

Astronomers may have discovered the first known microblazar, a long-theorized object firing a powerful beam of particles ...

Earth’s center of mass is constantly on the move, shifting by a few millimeters as enormous amounts of water, ice, and even ...

Earth's climate has undergone dramatic changes throughout its history, but new research suggests those changes may not have been as random as previously thought. A study led by an international team ...

Conditions on early Earth may have become stable enough to sustain the chemistry associated with the origins of life around 4.33 billion years ago, according to new research co-led by Planetary ...

We generally throw away a broken camera lens, earphones or an old phone that has stopped working and is beyond repair because they seem useless when they no longer function. However, these objects ...

Several times since the age of dinosaurs, the solid part of our planet has rolled over, drowning some continents and lifting ...