Macquarie University astronomers have tracked an extreme planet's orbital decay, confirming it is spiraling toward its star in a cosmic death dance that could end in three possible ways.

A team of astronomers led by the Center for Astrophysics | Harvard & Smithsonian has discovered a rare object far beyond ...

From the asteroid that wiped out the dinosaurs to one that nearly hit Moscow, space rocks have shaped our history. Could we ...

Is Jupiter a failed star, or is it simply a giant planet in our solar system? While Jupiter shares a similar chemical ...

Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .

A renowned physicist believes he's cracked the mystery of where a giant unidentified object hurtling through our solar system ...

In October 1604, astronomer and mathematician Johannes Kepler spotted a new star in the sky and began tracking it. Over the course of several weeks, the star remained visible in the daytime and ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

World's largest digital camera observes cosmos, capturing detailed images of galaxies, asteroids, and stars changing ...

Astronomers have announced the discovery of A11pl3Z, a massive new interstellar object entering our solar system.

Designated 3I/Atlas, this is likely the largest yet detected and has been classified as a comet, or cosmic snowball ...

It may be a 20km wide comet or a cosmic snowball, but it does not pose a threat to Earth. Read more at straitstimes.com. Read ...