Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

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

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

The galaxy, located in the constellation Leo, is about the same size as a star cluster within the Milky Way and is about the ...

the Andromeda Galaxy will collide with the Milky Way, resulting in a spectacular cosmic collision! Don’t worry, though – the distances between stars are vast, so we won’t feel a thing.

Image: CfA/Mel Weiss Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the very first time, and it’s shedding new light on ...

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

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

The Gaia mission of the European Space Agency (ESA) has officially ceased its scientific operations after 12 years of service ...

Hubble's first gigapixel panorama of the Andromeda Galaxy was published exactly ten years ago. This has now been ...

Map of the Milky Way plane obtained from data from the Gaia catalog (eDR3). The upper part shows a region where the Palomar 5 star cluster and its tidal tails are observed (DESI Legacy Imaging Survey, ...