Earth has a lot going on under the surface - even in what may have once seemed to be its most unassuming layer.

An uptick in seismic activity on the volcanic island of Santorini has raised concerns about a potential eruption.

YR4, an asteroid that currently has a more than 1 percent chance to hit the Earth in 2032, catching the attention of ...

In the depth of winter, a sweeping view of our solar system will glow in the night sky. In total, six planets will be visible ...

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

There may be something about Earth’s remote places that root many of humanity’s greatest achievements in space. John Glenn (the first American to orbit the Earth) and Neil Armstrong (the first man ...

The possibility of the asteroid 2024 YR24 impacting our planet might not be ruled out until 2028, raising the prospect we’ll need to prepare for the worst ...

YR4, which was recently spotted in the cosmos with a non-zero chance of hitting Earth in the coming years, may have caused ...

Satellites have managed to detect faint electromagnetic signals generated by ocean tides, suggesting that space-born sensors ...

The exoplanet HD 20794d swoops in and out of its habitable zone every few hundred days, making for an extreme climate.

The system was installed on the side of the European Space Agency’s Columbus module on the ISS. From there, the rig of 4K cameras is livestreaming the view of Earth for around 20 hours a day, save for ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...