Explore the amazing journey of the Hubble Space Telescope and its successor, the James Webb Space Telescope (JWST). Discover ...

Hubble may be the older sibling to the more advanced James Webb Space Telescope, but it is still being used to help solve the riddles and mysteries of the universe. Now, along with the Chandra X-ray ...

Origins -- Spaceship Hubble -- Hubble vision -- Planets -- Stars & nebulae -- Galaxies -- Black holes -- The dark cosmos -- Optical illusions -- Hubble's future ...

For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don't go looking for it -- the flickering star is 2.2 million ...

Two telescopes have spotted the closest pair of supermassive black holes to date. The duo, only about 300 light-years apart, were observed in different wavelengths of light using NASA’s Chandra X-ray ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. NASA's Hubble Space Telescope view of the binary star system R Aquarii, one of the most ...

The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s. The first key, the period-luminosity scale discovered by Henrietta Leavitt, allowed astronomers to calculate ...

Hubble Space Telescope can "only see the universe in shades of grey," according to NASA's Goddard Space Flight Center. Learn ...

If space-based telescopes could tipple, they probably wouldn’t need to–not with images like the one above on tap. NASA’s celebrating the Hubble Space Telescope’s 21st birthday (hey, it’s legal!) with ...

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