Cosmic dust and gas are the building blocks of planetary systems. The images of the Cone Nebula, Orion Nebula, and NGC 2467, ...

Among the most striking is a composite image of Sun, captured using three specialized telescopes; NuSTAR, XRT, and AIA ...

So when Edwin Hubble discovered a Cepheid variable in 1923, in what was then called the Andromeda Nebula, the incredibly dim magnitude of the star could be used to calculate its great distance.

One type, the integrated flux nebula, is lit only by the distant light of stars in a galaxy such as the Milky Way. Faint and cool, they may take hours of exposure time to get a good image.

NASA's Webb Space Telescope keeps spotting details no one has seen before: countless galaxies, clouds of dust birthing new ...

These pictures of the distant universe provide valuable insights into the early stages of galaxy formation and the dynamic ...

The nebula has an extent of one million lightyears across, and these objects are so distant that their light has taken nearly 10 billion years to reach telescopes on Earth. This false color image ...

The "Lemon Slice" Nebula, IC 3568, spans approximately 0.4 light-years in diameter, which is about one-tenth the distance to our nearest neighbouring star. The "Garlic" Nebula, CTB 1, is an ...

It doesn’t matter where the astronomers and their devices bother to look, they see basically the same thing. Every celestial object outside our solar system is apparently trying to get as far away ...

It's one of the the best-known examples of a planetary nebula - a giant cloud of dust and gas in space. This picture shows the end stages of the distant star's life. Some 2,600 light-years from ...

Just a little bigger than a soda can, the 1080p Anker Nebula Capsule 3 projector delivers more-than-acceptable quality plus robust audio, making it an excellent mini projector. MSRP $499.99 PCMag ...