telescope array

Thin Flat Lenses Could Unleash a Revolution in Space Telescopes

Space telescopes use traditional polished mirrors like ground telescopes, which are heavy, unwieldy, and expensive to build. A new type…

9 months ago

Something In Big Dipper ‘Blob’ Is Sending Out Cosmic Rays, Study Says

Behind the Big Dipper is something pumping out a lot of extremely high-energy cosmic rays, a new study says. And…

10 years ago