The Earth supports the only known life in the universe, all of it depending heavily on the presence of liquid water to facilitate chemical reactions. While single-celled life has existed almost as ...

Sir William Huggins obtained the first photographic spectrum of a comet (Comet 1881 III) on June 24, 1881, using a reflector telescope equipped for spectroscopy and astrophotography. Analysis of ...

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

The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was blocked using a coronagraph to reveal a planet to its right. The light at the ...

The most powerful solar telescope in the world has recorded a major milestone atop an active volcano in Hawaii, capturing a detailed image of a cluster of sunspots with the telescope's new Visible ...

As our understanding and technology have increased over decades, we’ve gained significant insights into the climatic and atmospheric systems of not only our own planet, but others in our solar system.

How do I make a telescope? Did you know you can build your own telescope? All you need are two lenses and a few common household items. Depending on your crafting experience, you can complete this fun ...

A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet 3I/ATLAS was captured on Aug. 27 using one of the telescopes at the ...

Concept design for a rectangular space telescope, modeled after the Diffractive Interfero Coronagraph Exoplanet Resolver (DICER), a notional infrared space observatory, and the James Webb Space ...