Today’s observatories document every pulse and flash in the sky each night. To understand how the cosmos has changed over longer periods, scientists rely on a more tactile technology.

The NASA/ESA/CSA James Webb Space Telescope has discovered a new moon orbiting Uranus. The moon, designated S/2025 U1, is ...

School District U-46’s Planetarium and Observatory has been named a member of the Alliance of Historic Observatories. “The AHO designation highlights the unique historic and scientific legacy of the ...

I have been writing about the Giant Magellan Telescope for a long time. Nearly two decades ago, for example, I wrote that time was “running out” in the race to build the next great optical telescope ...

In 2026, astronauts will travel around the moon for the first time since the Apollo era, powerful new space telescopes will prepare to survey billions of galaxies, and multiple nations will launch ...

After a string of dramatic failures, the huge Starship rocket from SpaceX had a fully successful test on Oct. 13, 2025. A couple more test flights, and SpaceX plans to launch it into orbit. A month ...

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground observatories. By Kenneth Chang Kenneth Chang reported on the unveiling of Schmidt ...

Prior to World War II the vast majority of telescopes built around the world were funded by wealthy people with an interest in the heavens above. However, after the war, two significant developments ...

PHOENIX — A billionaire-backed philanthropic organization is funding the development of a series of new observatories, including a space telescope larger than Hubble that its backers say can be built ...

The Nancy Grace Roman Space Telescope completed final assembly in late November 2025 with a launch as soon as the fall of 2026. Credit: NASA/Jolearra Tshiteya PHOENIX — NASA expects to launch the ...

In order for NASA to study the mysteries of the universe, the scientists there need to be able to look out into the cosmos. The Hubble Space Telescope did this for a time, giving humanity some ...

Optical sciences professor John Greivenkamp thought students were in danger of losing the connection to their field's beginnings. It was time to start collecting old telescopes to connect them with ...