The discovery is the first direct observational confirmation of a theory for how young stars feed on, and then explosively ...

New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s ...

It is a rare occurrence indeed for a theory to be turned upside down by the cold accuracy of observation, until the Hubble Space Telescope has just dropped a bombshell in the young planetary system of ...

When you look up at the night sky, planets seem calm and fixed. But a new study shows that nearby planetary systems can be ...

Kazakhstanis have a chance to see the well-known comet 3I/ATLAS. Expert Maksim Krugov explained how this can be done.

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact configuration and later underwent a violent reshuffling that scattered them to ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...

Years ago, astronomers believed they had found a planet forming around a nearby star called Fomalhaut. This was very exciting ...

It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found until 1992, when humans found another one. But this new planet wasn't in our solar system—it was ...