The James Webb Space Telescope has captured imagery of spiral galaxy NGC 7469, which is 90,000 light-years in diameter. The ...

Sixteenth century Danish astronomer Tycho Brahe laid the framework for modern cosmology without ever using a telescope.

Dark matter is an essential element of galaxy formation and physics, according to the standard theory of how the universe ...

Since its deployment, the James Webb Space Telescope has been fine-tuned by experts to maintain its powerful optical ...

NASA's James Webb Space Telescope is the largest and most powerful telescope ever launched to space. Its mirror is composed of 18 individual segments that have been aligned so accurately, that they ...

They also participate in the Flagstaff Dark Skies Speaker Series, keeping residents and visitors up to date on current events ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

Quanta Magazine moderates comments to facilitate an informed, substantive, civil conversation. Abusive, profane, ...

This NASA/ESA Hubble Space Telescope image features NGC 1672, a barred spiral galaxy located 49 million light-years from ...

it was joined by the James Webb Space Telescope — the largest telescope in space. Hubble has made more than one million ...

This week, we examine how the incoming administration’s policies will shape U.S. national defense and global issues.

Black holes are fascinating objects. They're unimaginably dense: If Earth was (hypothetically) crushed into a black hole, it ...