An Einstein ring is a circular appearance of light around a celestial object, caused by gravitational lensing. This occurs ...

A galaxy spotted just 330 million years after the Big Bang has been implicated in bringing light to the choking dark of the ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

The James Webb Space Telescope photographs a rare Einstein ring, a cosmic deception formed by gravitational lensing, giving ...

NASA discovered a supermassive black hole at the center of galaxy M87, 52 million light years from Earth. It's 2.6 billion ...

Astronomers have uncovered a spiral galaxy nearly a billion light-years away that hosts a supermassive black hole launching ...

Euclid, a European space telescope, just captured 26 million galaxies to reveal the secrets of the dark universe.

Vivian Poulin asks if the tension between a direct measurement of the Hubble constant and constraints from the early universe ...

Neptune often looks slightly different in observations, as it has dark spots which appear periodically. But it can also be bright at times, as the observations of auroras there show: In the image ...

Astronomers studying a supermassive black hole at the center of a galaxy similar to our Milky Way may have just witnessed how ...

The first data generated by the European Space Agency’s Euclid telescope, released this week, offers an opportunity to ...

Estimated to be 2.6 billion times the mass of the Sun, this monstrous void has reignited debates about the mysterious forces ...