Old interviews and other related content will be aired Monday and Tuesday.

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

Marcus Chown’s “A Crack in Everything” is a journey through space and time with the people studying one of the most enigmatic ...

The instrument is the Prime Focus Spectrograph, and it is one of the flagship instruments in the next era of the Subaru ...

Amateur astronomers who have purchased telescopes from leading suppliers in the U.S. may be entitled to a payment from a ...

While Best Buy may be one of the biggest names in consumer electronics, it’s far from the only place to make a purchase. For ...

The long-closed, 1920s-era observatory in Lake Angelus is important to astronomy buffs. But its private ownership has ...

You’ll be able to view a rare alignment of planets this month and into February. Our astrotourism expert reveals the best ...

On Jan. 4, Saturn briefly hid behind the crescent moon, escaping the view of skywatchers in Europe, Africa, western Russia ...

On the night of Jan. 13, the full moon will appear to pass in front of Mars, resulting in an occultation visible from the ...

Brian Rogers spends his days looking at the stars, searching for signs of extraterrestrial intelligence beyond our earthly ...

There’s so much to see in 2025. CNN Travel has selected 25 places to add to your list — from Bequia in the Caribbean to India’s Andaman and Nicobar Islands. Here’s the list and some ...