This opens a window into a time when the universe was still forming its first complex molecules, when gas and dust clouds were coalescing into the earliest generations of stars and worlds. In effect, ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

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.

"The biggest surprise of all was that the black hole was not located inside either of the two nuclei but in the middle. We asked ourselves: How can we make sense of this?" ...

Astronomers have uncovered a massive, hidden exoplanet nestled in the dusty disc of a young star—MP Mus—by combining ...

Discover 3I/ATLAS, an interstellar comet with a reddish hue, rich in water ice, and possibly predating the solar system.

NASA’s Juno spacecraft has unveiled an exciting breakthrough: the discovery of an entirely new type of plasma wave near ...

I/Atlas was first spotted on July 1 by the Asteroid Terrestrial-impact Last Alert System (Atlas) survey telescope in Río ...