If Earth were ejected from the Solar System — by a passing star or planetary collision — daylight would vanish in days. The ...

About 4. 6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity.

Millions of years before blue oceans and wandering continents, the Earth in its early days was a molten, tumultuous planet — ...

Before becoming the only planet in our solar system teeming with life, Earth was a desolate, stony globe — dry as dust and ...

These are gigantic masses of material, directly affecting the magnetic field. They’re called Large Low-Velocity Provinces ...

Astronomers have discovered an alien world that defies every planetary rule with its massive size, low density, and tilted ...

The discovery, published in Nature Geoscience, provides unprecedented insight into the chemical building blocks that formed our planet and challenges long-held assumptions about the complete ...

A paper from several NASA scientists and other researchers explores whether an asteroid with a 4% chance of hitting the moon ...

In the crowded early Solar System, young planets frequently collided and reshaped each other. But Mercury stood out. It formed unusually close to the Sun. Mercury’s days are longer than its years. It ...

A study published in the journal Nature Astronomy challenges traditional explanations about the origin of the innermost planet in the Solar System and proposes a more likely scenario. The collision ...

Florida Tech astrophysicist Howard Chen is offering new insights to help aid NASA's search for life beyond Earth. His latest theoretical work investigates the TRAPPIST-1 planetary system, one of the ...