From the center of the solar system, rages a powerful wind. Sent by the Sun, this wind whips at speeds exceeding one million miles per hour as it traverses to the edge of interstellar space ...

Astronomers have confirmed that a rare intersteller object is zooming through the solar system. This is only the third time this has been recorded.

Slotkin on Democratic divisions: 'We're like a solar system with no sun' The first-term senator said internal disagreements are splitting the party.

In this artist’s impression, a comet erupts with jets of gas as it falls toward the sun from the depths of the outer solar system.

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show.

Astronomers have identified a mysterious new object hurtling through our solar system, believed to have originated from interstellar space. First spotted on July 2, 2025, by the ATLAS survey ...

I’m not sure whether it was elementary school science classes or Fred Flintstone’s Brontosaurus burgers that made the giant ...

Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

Our planet whirls around the sun in an ellipse, rather than a circle. On Thursday the planet reached its farthest point from its star, known as aphelion.

The discovery of a tiny speck of stardust, the remnant of a long-gone star, could hold clues about our solar system’s birth, say UA scientists involved in the discovery.

Maine solar company says tax credit changes could slow installations, force layoffs Tax credits that would have lasted into the 2030s could end this year under Congress' latest draft of the budget ...

Want to observe the sun or watch the next solar eclipse in safety? We've rounded up the telescopes you need to see our nearest star safely.