The lanes and clouds of dust in the star-forming Orion Nebula (M42) reveal a dark dimension to this familiar object.

He invented the first refracting telescope allowing him to observe the motions of the ... Einstein taught us that space and time are not distinct entities but interwoven parts of the same whole. He ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

Christmas is a great time to look for a telescope for your budding amateur astronomer. But there are some things to keep in ...

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light ...

NASA's James Webb Space Telescope is known for looking deep into the universe with an unprecedented level precision and sensitivity. But its images aren't only scientifically useful — they're ...

The space lumps were captured by Nasa's Chandra X-ray Observatory and the Hubble Telescope, which teamed up for the stunning picture. Nasa said that the purple space lumps surrounding the planet are ...

Optical instruments: Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers. Wave optics: Wave front and Huygen’s principle, reflection and refraction of ...