The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

For the first time, astronomers have witnessed the early stages of planet formation around a distant young star, HOPS-315, ...

Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

The enigma of the intruder about the same size as Manhattan Island is making astronomers rethink what they know about cosmic ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast-moving body using the world's most powerful telescopes. It was found to be ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

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 ...

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's IMAP mission and two other space weather probes took flight atop a Falcon 9 rocket today (Sept. 24). SpaceX just sent three space weather probes to the final frontier. A Falcon 9 rocket lifted ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside our Sun and planets around 4.5 billion years ago. But every now and then, ...