Our solar system is a passenger on a galactic rollercoaster. Part 2 reveals how the Sun, carrying Earth, orbits the Milky Way's core at 491,000 mph, completing a circuit every 230 million years. We ...

Our galaxy, the Milky Way, is home to multiple wonders. There is our biggest star, VY Canis Majoris, the column-like structures known as the Pillars of Creation, and, in the middle of it all, a ...

An interstellar object – a comet from a distant star system – is passing through the space between Jupiter and Mars, and according to a recent study, Comet 3I/Atlas may be 3 billion years older than ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

CAPE CANAVERAL, Fla. (AP) — The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star. NASA and the European Space Agency released ...

Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our sun millions of years ago.

Comet 3I/ATLAS, an interstellar visitor, reaches its closest approach to Earth on Dec 19 at about 167 million miles - visible ...