In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

So how well do you know the Milky Way? Let's test your knowledge of our galaxy's size, age, speed and more with the 15 ...

Galaxies are astronomical objects composed of billions or even trillions of stars. Our Earth and solar system are just a tiny ...

Radio galaxies already feature mind-bending physics, with supermassive black holes accreting matter at the galactic core and sending out vast plasma jets that glow at radio frequencies. Those larger ...

"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University of Amsterdam in a statement. This orbital period places it a little closer ...

Rare ultra-faint dwarf galaxies beyond the influence of other galaxies show evidence that star formation was stifled long ago ...

The eight ripples seen by the Hubble Space Telescope in this cosmic scene marks the most ever seen in any galaxy, and data ...

When NASA detects two black holes colliding, the cosmos is in a state of chaos. Black holes lie at the centre of most ...

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 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 ...

After a blue dwarf galaxy shot through it like an arrow, the large Bullseye now has nine rings—six more than any other galaxy ...