Asteroid 2025 TP5 flew about ~60,000 miles (97,000 km) from Earth. It is estimated to be about 17 meters in diameter (~55 ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Researchers uncover how Mars affects Earth’s orbit, offering new insight into the planetary forces behind ice ages.

The space rock, known as "2026 AJ" and 40 feet in diameter, is hurtling toward our planet at around 20,500 miles per hour.

ABC News’ Linsey Davis spoke to space medicine researcher Dr. Farhan Asrar who explained treatment plans for illnesses on the International Space Station and what’s next for NASA’s crew once on Earth.

A mile-wide asteroid known as 2005 UK1 will safely pass Earth on Jan. 12, 2026, at 32 times the moon’s distance, posing no ...

Anyone order a point-and-click adventure puzzle game for later this month featuring a cast of British actors that'll make you ...

Scientists have discovered a “record-breaking” asteroid that is nearly the size of eight football fields. The object, known ...

Long-term satellite measurements show that Earth’s magnetic field is changing faster and more unevenly than expected, driven ...

In virtually every piece of land on Earth—from near the summit of Mount Everest to Antarctica to caves nearly 2,000 meters ...