A bright new solar system comet could put on a show in the October night sky as it zooms past Earth. Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly.

It is a question that feels like it should have a straightforward answer: how many planets are there in our solar system? Since Pluto was relegated back down to dwarf planet status, almost everyone ...

As we've seen with Toyota's Prius Prime, putting a solar panel on a car's roof is a nifty idea but can only gain you a few free miles a day due to the limited size. With a new prototype of its ...

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 ...

Last month, Google quietly killed off Google Sky Maps. But there’s still another way to virtually explore most of the solar system a la Google Maps: it’s called Google Maps in Space. Google Maps in ...

About 4.6 billion years ago, a celestial cloud collapsed, paving the way for our solar system to form. Then, a nebula with strong gravitational pull took shape, kick-starting the birth of the sun. But ...

Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of its own. The rare event is unfolding in real time, giving astronomers a ...

Astronomers believe they have uncovered evidence of a previously unknown ninth planet lurking in the not-too-distant reaches of the solar system. This hypothetical world, dubbed "Planet Y," could be ...

KENNEDY SPACE CENTER — SpaceX’s Falcon 9 rocket pierced the Wednesday morning sky as it launched three spacecraft from NASA and NOAA that will study the solar system’s “bubble,” collect information on ...

A scientist spotted the asteroid hiding in the light of the sun. It's not an imminent threat to Earth, but other space rocks like it could be. A newly found space rock almost broke a speed record. The ...