Telescope Focal Ratio

Since the 1980s, scientists have been aware that Saturn’s innermost icy rings are gradually eroding onto the gas giant’s atmosphere.

Today we are announcing the new contests for May 2023! If you are new to our monthly contests, you should read the general rules first.

A rogue black hole has been spotted by astronomers, speeding away from the core of a distant galaxy at 20 million times the mass of the sun.

Has the dazzling beauty of the cosmos left you with a burning desire to capture celestial wonders, but you find yourself frustrated by the seemingly insurmountable challenges that come with astrophotography?

Scientific imaging has constantly evolved since photographic emulsion was first used to capture images covering a wide spectral bandwidth, from X-rays to infrared radiation.

When a planet strays too close to its host star, it will begin to be slowly eaten away by the star in a painful evaporation process.

Description of the Catalogue of Principal Galaxies

Target suggestions for galaxy season

ESA’s Jupiter Icy Moons Explorer, ‘Juice’ is the next mission planned to wander to the outer solar system, and is set for launch on Friday (14th April) after the initial Thursday launch was pushed back due to t

Today is podium day!

Strong radio signals have been detected from a rocky Earth-sized exoplanet, making it an ideal candidate for hosting a magnetic field.