The comet is fast approaching its closest encounter with Earth on Tuesday, March 21, a harmless 28.6 million miles.

New research has found that amino acids, the building blocks of life, may have traveled to Earth on interstellar dust grains, ...

Earth moves 2 million miles closer to the sun from summer to winter, yet temperatures drop 40+ degrees. The answer lies in Earth's tilt.

"Current models are showing the [Lemmon] comet will likely peak between 3.5 and 4.5 magnitudes when it is nearest to Earth on October 21, which is dimmer than what they showed last week," Saint Louis ...

An enormous asteroid is approaching Earth at 24,136 miles per hour—and will be at its closest to us in two days' time. The ...

The origin of water on Earth is a complex affair. Was it trapped in the rocks that formed our planet or was it brought by ...

Apophis will zoom safely past the Earth closer than the orbits of geosynchronous satellites on April 13, 2029. As well as the ...

"With these probability maps, we can push asteroids away while preventing them from returning on an impact trajectory, ...

For 24 hours a day, seven days a week since November 2000, NASA and its international partners have sustained a continuous ...

Earth wobbles on its axis like a spinning top, a motion called precession. This wobble takes about 26,000 years to complete one full circle. Different stars have served as the North Star throughout ...

Explore the fascinating worlds of Planetary Science and Geophysics, uncovering mysteries of the cosmos and Earth's processes.

Tiny pieces of glass found scattered across Australia have revealed evidence of a previously unknown giant asteroid impact. This discovery centers on a new type of tektite, a natural glass formed when ...