The world’s largest optical telescope is nearing the moment when it will begin exploring the universe in unprecedented detail ...

The U.S. Air Force is moving forward with plans to build seven more telescopes on Haleakalā, drawing opposition from those ...

Since it turned on, the James Webb Space Telescope has revealed dozens of mysterious red blobs in space. The so-called Little ...

Captured in December 2025, the newly released photo (it came out on Feb. 11) reveals how construction is progressing on the ...

This enormous chain of hundreds of galaxies—a cosmic filament—is twisting through space 400 million light-years away ...

Now Lawrence, a community organizer with the group Kāko‘o Haleakalā, is gearing up for another fight as the U.S. Air Force ...

The telescope primarily detects light in the infrared in order to observe sources such as the first galaxies and protostars.

India has unveiled plans to build two new optical-infrared telescopes and a dedicated solar telescope in the Himalayan desert ...

It is essential that strict wavefront error (WFE) budgets be met when designing and manufacturing space telescope optics. These performance thresholds dictate a telescope’s ability to clearly and ...

Since 2010, the IceCube Neutrino Observatory has been searching for high-energy neutrinos from space. In recent years, it has already provided important insights into the nature of these particles and ...

Dark matter doesn’t seem to interact with the matter we can see and touch, so scientists look for it in unusual places, like ...

The Extremely Large Telescope, located in Paranal, Chile, is poised to be the largest optical telescope ever constructed.