A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Conflicting distance measurements have added to the uncertainty. One data source places one object at 6,500 light years away, ...

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

Giant radio galaxies are cosmic megastructures that can span millions of light-years, making them some of the largest-known ...

The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

A radio telescope in South Africa has unearthed a giant galaxy—dubbed a "cosmic megastructure"—with plasma jets that measure ...

High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.

Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...

Astro Tourism is the travel trend you didn’t know you needed. As 6 planets align in February 2025, here are best spots to watch the rare event in Saudi Arabia.

The European Space Agency's (ESA) Gaia telescope has completed its objective - making the most detailed and precise map of the Milky Way galaxy. The agency shared the visuals on social media, ...