Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

The universe is supposed to look the same no matter where you stand. That idea, known as the cosmological principle, sits at the heart of modern astrophysics. It says matter spreads out evenly when ...

A small, icy traveler from deep space has just threaded its way through the inner Solar System, offering a fleeting but ...

Astronomers are reporting new findings about 3I/ATLAS, the rare interstellar comet now moving through the outer solar system, as NASA and research institutions expand monitoring of the object's ...

Around 4.4 million years ago—long before humans existed—two massive, blazing-hot stars swept past our solar system. They didn ...

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a comet — or possibly something more advanced. The object, known as 3I-ATLAS, was ...

Southwest Research Institute (SwRI) scientists believe they may have resolved a 39-year-old mystery about the radiation belts ...

Mobility in space continually cements itself as important in this modern era of space exploration, with satellites like Starlink, Amazon's upcoming Project Kuiper, the International Space Station, and ...

Far beyond Neptune, at the far outer rim of our Solar System, astronomers have spotted what looks like a hidden “structure” ...

How fast and in what direction the solar system moves is a critical cosmology test. New research offers answers that challenge the standard model. (Nanowerk News) How fast and in which direction is ...