I have been writing about the Giant Magellan Telescope for a long time. Nearly two decades ago, for example, I wrote that ...

Hoping to see deeper into the universe, scientists and engineers are designing some of the largest and weirdest telescopes ...

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.

New Mexico’s Plains of San Agustin are otherworldly: Silence, sand and sharp plants reign on the valley floor. Knobbly volcanic rock rises above. Pronghorns’ legs and jackrabbits’ ears break up the ...

It is the colours of a sunset that inspire Joseph Anderson, an astronomer at the European Southern Observatory (ESO) in the high Atacama desert, in northern Chile. “They start off very blue and ...

The largest ground-based optical telescopes in use today use mirrors that are 10 m (33 ft) across. But the prospects for future Extremely Large Telescopes (ELTs) are looking up. According to recent ...

For many decades, the USA has been at the forefront of astronomy, whether with ground-based telescopes or space-based observatories like Hubble and the JWST. Yet this is now at risk as US astronomers ...

The satellites in Amazon's new internet-beaming megaconstellation in low Earth orbit are bright enough to disrupt ...

The past quarter of a century in astronomy has been dominated by large telescopes — but they are about to be usurped by some even larger ones. When you purchase through links on our site, we may earn ...