The record-breaking asteroid, about the length of eight football fields, made one complete rotation in 1.88 minutes. Determining this asteroid’s rotating speed allowed the astronomers to determine its ...

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 ...

Celestron FirstScope 76: Very affordable and ideal for kids or as a quick backyard scope. Despite the small size, you can easily catch the craters of the moon and even glimpse Jupiter’s moons.

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

China’s Einstein Probe has detected an event suspected to be the first recorded instance of a black hole devouring a white dwarf.

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

The shape of the cosmos depends on a balance of two competing forces: the pull of gravity and the expansion driven by dark ...

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

For decades, scientists have been observing how galaxies spin and move throughout the universe. Gravity acts on stars and galaxies, in the same way it keeps you from floating off into space. Heavier ...

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 ...