Explore the night sky with the best telescopes to suit every budget and experience level, perfect for observing February's snow moon and spectacular planetary parade. February is a great time to ...

Definition: Hubble Space Telescope (HST) is a space telescope named after renowned astronomer Edwin Hubble. It was launched in 1990 and is one of the great observatories of NASA. Description: Hubble ...

Celestron AstroMaster 90AZ now $159. This is a good-quality beginner telescope. It features a 90mm objective lens with quality glass optics and a range of accessories which includes a smartphone ...

The AOMEKIE Telescopes 234X Magnification is an unparalleled option for kids. It is equipped with a fully multi-coating 60mm lens for sharper and brighter view; a 5X20 finderscope that delivers erect ...

The best Olympus lenses – and the best OM System lenses, as that's what the brand is now called – comprise some of the greatest glass I've ever used, on any camera system. While the Micro Four Thirds ...

If you're searching for the best Leica M lens for your rangefinder, you have plenty of options to choose from. In this guide, I break down the entire lineup, highlighting the strengths of each lens ...

In fact, scientists didn't really expect that stars would even be able to still form at all in the dwarf galaxy known as Leo P, an image of which the James Webb Telescope recently captured in ...

The History of the Microscope: Compiled from Original Instruments and Documents, up to the Introduction of the Achromatic Microscope. By Dr. Reginald S. Clay Thomas H. Court. Pp. xiv + 266.

Definition: A terrestrial planet refers to a planet (celestial body) that is made up of silicate rocks or metals. Description: The term terrestrial is derived from the Latin word 'terra', which means ...