The sun is in its most active phase—solar summer—causing auroras and posing real risks to satellites, GPS, and power systems ...

T he next mission of Japan's Hayabusa2 has become a bit more complicated. The mission's next objective was to land on an asteroid called 1998 KY26 in 2031, according to experts. They had undertaken ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

FALL IN FLORIDA  The leaves may not change colors, but temperatures will drop gradually during fall in Florida.

Here's what happens as the direct rays of the sun slip south of the equator as the seasons change.

Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere.

Tired of the hot weather? Soon, Earth's orbit will lend a hand by tilting the Northern Hemisphere away from the Sun, bringing ...

The Hayabusa2 mission is facing a new challenge after observations showed the asteroid it is going to rendezvous with and ...

To answer a question or ask a new one, email [email protected] Between 50,000 and 100,000 tonnes of light gases such ...

Our readers continue to grapple with this one, with the latest batch of answers giving a more hopeful response to any readers ...

The iron-rich core at the center of our planet has been a crucial part of Earth's evolution. The core not only powers the ...

Long ago, the Moon was much nearer Earth. Scientists believe a protoplanet collision created the Moon 4.5 billion years ago.