The Hubble law implies that the universe is expanding. NASA's Hubble Space Telescope, launched into low Earth orbit in 1990, has been a vital instrument for exploring the universe for over three ...

At least until Zephraim Cochrane invents the warp drive, our best shot is looking into the deep sky through telescopes. Here's how they work—and how it's not always just about optics.

The very best telescope mounts in 2024 are now even cheaper with Black Friday here. Save big on skywatching with our comprehensive round-up of what's out there. Looking for the best telescope ...

The authors propose building 200 40-cm telescopes spaced 5 kilometers apart to create an occultation array 1,000 km wide. Since each telescope would have a slightly different vantage point ...

Astronomers using the James Webb Space Telescope have detected possible signs of gases released by volcanic activity on a distant exoplanet. Today, we know of more than 5,000 exoplanets ...

A do-it-yourself Galilean telescope makes an excellent and inexpensive starter telescope — or science fair project. When you purchase through links on our site, we may earn an affiliate commission.

Observations of the early universe made by NASA's flagship James Webb Space Telescope are challenging the traditional theory of gravity and how the first galaxies formed. This is the conclusion of ...

NASA's Nancy Grace Roman Space Telescope remains within its cost cap and on schedule to launch by May 2027, the agency said at two committee meetings in November. Credit: NASA/GSFC/SVS WASHINGTON ...

The James Webb Space Telescope’s Near-Infrared Camera captured an "array of stars that make up the dwarf galaxy Wolf–Lundmark–Melotte (WLM)," according to the NASA. Zoom into the imagery ...

Large telescopes are custom-built and rare. There is no standard practice or model. Every time a large telescope is built, its designers must re-think the challenges, check every application, and ...