The world’s largest and most powerful space telescope rocketed away Saturday on a high-stakes quest to behold light from the first stars and galaxies and scour the universe for hints of life. NASA’s ...

This month, the largest and most powerful space telescope ever built is launching into space from South America. The James Webb Space Telescope, named after one of NASA's earliest administrators, is ...

There's a whole world under the surface and only Ron has any idea about it. And sometimes the two worlds collide, and sometimes they don't. Ron holds them at arm's length from each other. Watch every ...

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

Godspeed! The world’s most powerful space telescope is about to head to space. For decades, scientists have anticipated the launch of NASA's James Webb Space Telescope. On Christmas Day 2021, it's ...

On Dec. 25 a new era of telescopes began: The James Webb Space Telescope (JWST) was launched into space. It will insert itself in orbit around the Sun in what is known as Lagrange 2, a gravitational ...

The James Webb Space Telescope, the most powerful telescope ever put into space, launched December 25. Astronomers are watching and waiting at mission control in Baltimore. The most sophisticated ...

The James Webb Space Telescope, on a long and winding journey to its job site a million miles from Earth, has begun the key task of unfurling a giant umbrella-like shield to protect its delicate ...

On Saturday, the largest telescope ever built will begin a million mile journey on an Ariane 5 rocket from Kourou, French Guiana. While it’s a testament to NASA’s unmatched ingenuity, it holds ...

The world’s largest and most powerful space telescope rocketed away Saturday on a high-stakes quest to behold light from the first stars and galaxies and scour the universe for hints of life. NASA's ...