There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered dozens of NASA missions over the past 50 years ...

ESA ran a full-scale solar storm drill to prepare for the next Carrington Event - an eruption powerful enough to disrupt life on Earth.

3I/ATLAS likely weighs more than 33 billion tons. The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A ...

Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system? Astronomers have new cause to investigate. With powerful telescopic ...

This illustration shows the creation of an asteroid family. Ejected fragments from catastrophic collisions of asteroids between Mars and Jupiter tend to follow similar orbits around the sun, allowing ...

The mysterious interstellar object traveling through our solar system has been spotted acting like no other comet ever seen before, revealing its alien origins. Scientists from Michigan State ...

A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a scientist has detailed in a new report. Avi Loeb claims the comet could even be ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better understanding of space weather was launched from the agency's Kennedy Space Center ...

NASA is tracking an object that is entering the solar system at approximately 245,000 km/h. This interstellar visitor is 3I/ATLAS, also known as “Comet C/2025 N1 (ATLAS) and initially dubbed A11pl3Z.

An interstellar visitor is barreling closer to our sun, giving scientists a rare opportunity to observe an object from outside our celestial backyard. The comet 3I/ATLAS is just the third known object ...

Solar installers set up an array on the roof of One Hope Community Church in Hunting Park. (Courtesy of Allen Drew) This story is part of the WHYY News Climate Desk, bringing you news and solutions ...