Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Often called the ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s pretty easy to imagine carving glass to make parts for a ...

Imagine a space telescope with a mirror stretching 50 meters across! That's larger than the width of a U.K. soccer field and nearly eight times wider than the James Webb Space Telescope. Now imagine ...

With morning and nighttime routines alone, people spend plenty of time looking in the mirror, but did you know the history of this everyday item dates to 4000 B.C.? According to Brown University’s ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A group of 38 ...