The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting telescope in 1609. Although not the inventor of the telescope, Galileo was the ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

The planet 51 Pegasi b is a long way from Prior Lake, 48 light years (several billion miles) to be exact. It orbits a fifth magnitude star, similar to our Sun, in the constellation Pegasus. It was ...

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

On January 7, 1610, Italian astronomer Galileo Galilei used his newly improved homemade telescope, which magnified objects 20 times, to observe the planet Jupiter. Nearby, he noticed three points of ...

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 ...

In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of a huge ...

While this planetary alignment isn't particularly rare, it is relatively uncommon. Spotting two, three, or even four bright ...

Straight Shot: Hubble Investigates Galaxy With Nine Rings Feb. 4, 2025 — NASA's Hubble Space Telescope has captured a cosmic bullseye! The gargantuan galaxy LEDA 1313424 is rippling with nine ...

The best telescopes allow you to observe this month's full planetary parade more closely and give you a front-row seat to the total lunar eclipse in March. The best telescopes unlock the wonders ...

The Subaru Telescope in Hawai‘i is adding a new instrument to its arsenal, one that will observe the cosmos through a compound eye. The compound eye will allow Subaru to observe about 2,400 ...