The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A comet named 3I/ATLAS likely weighs more than 33 ...

Sciense. No alien life or a fearsome meteorite, a historic discovery in the Milky Way is shocking astronomers: it weighs as much as 160,000 suns Sciense. NASA surprised by discovery of gigantic ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our solar system — only the third ever spotted, though scientists suspect many more may slip past unnoticed.

NASA's IMAP mission aims to map the heliosphere, study solar wind, and improve space weather forecasting for Earth's ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

Astronomers have discovered a significant “growth spurt” in a rogue planet outside of our solar system. The free-floating ...