Unlike refracting telescopes (whose lenses are very expensive), the Newtonian reflector offers the possibility ... a 10-inch to 12-inch (250-300mm) version can give a lifetime of viewing enjoyment ...

Suni Williams and Butch Wilmore told PBS they have everything they need -- even wet wipes. And Wilmore talks to his daughter ...

I've been covering technology and mobile for 12 years, first as a telecommunications ... Interior Composition Explorer X-ray telescope, replaced a reflector device on one of the international ...

Astronomers used the powerful James Webb Space Telescope to peer into this object flying by itself through our Milky Way ...

A nearby galaxy is ablaze with new stars in a dazzling new image from the James Webb Space Telescope.

The $488-million mission is set to map the sky in 102 colors of light, probing cosmic inflation, galactic ices, and the history of the universe’s first light.

Unlimited digital access on our site and app to trustworthy local journalism. Subscriber Savings deals on local and national ...

Other payloads aboard Athena include a laser retro-reflector array from NASA’s Goddard Space Flight Center. Several lander missions to the lunar surface have been equipped with reflectors to ...

The best telescopes allow you to observe the full planetary parade more closely and give you a front-row seat to the total lunar eclipse on 13-14 March. The best telescopes unlock the wonders of ...

Athena is also outfitted with a Laser Retro-Reflector Array (LRA) — eight mirrors affixed to the lander, designed to test the reflection of laser light to enable more accurate positioning ...