The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

Our sun is a lonely star. At least half the stars in our galaxy have binary companions. This was nicely illustrated in the ...

Found less than a billion years after the Big Bang, these massive objects are upending astronomers’ timeline for how early galaxies formed.

Six planets grace the sky this month in what’s called a planetary parade. Venus, Mars, Jupiter and Saturn are visible to the naked eye in January and for part of February.

Hubble uncovers the blue lurker star, offering rare insights into triple-star system evolution and stellar mergers ...

Have you read on social media about the “once in 396 billion years” planetary alignment happening on Jan. 25? Guess what? Social media is not reliable. Here’s what’s really going on — and why you ...

In 2025, keep an eye on the Southern Cross (known as Crux to astronomers) and Sagittarius (the archer). The Southern Cross is ...

We haven’t seen the Red Planet this luminous in the night sky since 2022. Our astrotourism expert shares how and when to enjoy the show.

Astronomy and astrophysics are the study of ... Numerous eclipses have been observed towards the binary central star of planetary nebula WeSb 1, probably caused by debris from disintegrated ...

Physicists have proposed a solution to a long-standing puzzle surrounding the GD-1 stellar stream, one of the most well-studied streams within the galactic halo of the Milky Way.

And since it’s home to two of the world’s 22 dark sky sanctuaries, it’s a prime place to appreciate the cosmic universe, ...

Several sparkling celestial events will light up southern skies this year, some of which Australians won't need special ...