Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

On April 24, 1990, all 24,000 pounds of the Hubble Space Telescope were tucked away inside the Discovery space shuttle when it launched into space. Thirty-five years later, NASA says Hubble has proven ...

Update: NASA is now targeting a launch for Friday, March 7. Find the latest information on the mission here. How did the universe begin? How do planets form and galaxies develop? Could life exist ...

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds ...

A conception of the James Webb Space Telescope orbiting 1 million miles from Earth. Credit: NASA GSFC / CIL / Adriana Manrique Gutierrez You don't see this every day. "Our hope with this kind of ...

Scientists recently discovered that the giant 'conveyer belt' currents that push star-forged material out of our galaxy and pull it back in can also transport carbon atoms. That means that a good deal ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its present age, astronomers have found. The discovery raises questions about how ...

About 4.6 billion years ago, a celestial cloud collapsed, paving the way for our solar system to form. Then, a nebula with strong gravitational pull took shape, kick-starting the birth of the sun. But ...

"I've been able to look at what students struggle with and then ask myself, 'What's something that might be more familiar that will allow them to understand the more complicated or esoteric details of ...

A massive new telescope got installed at the International Dark Sky Discovery Center near Fountain Hills and Palisades Boulevards. Visitors will be able to see planets and galaxies and experience a ...