Astronomers using the MeerKAT radio telescope in South Africa have discovered the most distant hydroxyl megamaser ever detected. It is located in a violently merging galaxy more than 8 billion ...

A closer look at the Lambda Cold Dark Matter model, its core components, supporting evidence, and why new observations are ...

Celestron FirstScope 76: Very affordable and ideal for kids or as a quick backyard scope. Despite the small size, you can easily catch the craters of the moon and even glimpse Jupiter’s moons.

Before you submit an error, please consult our Video Help page. Antiques Roadshow is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones ...

Winds exceeding 110 mph that tore across the top of Mount Hamilton early Christmas morning blasted a massive steel protective door off the iconic white dome at Lick Observatory. Now, with back-to-back ...

The multi-ton shutter section fell outward onto the roof of the Great Hall, crushing several structural beams. The Great Refractor telescope was not damaged during the incident, but its precision ...

What Are the Main Types of Telescopes? A common way to classify telescopes is by the type of signal they detect. Optical telescopes gather visible light; on the other hand, non-optical telescopes ...

Optical telescopes are essential tools in astronomy, built to collect and focus light from distant celestial objects. By capturing and concentrating photons onto a detector, these instruments allow ...

Have you ever stepped into a building and felt the weight of the past hit you all at once? At Yerkes Observatory, touching the past of 1897 is closer than most might imagine. Walking through the halls ...

The search for extraterrestrial life represents one of humanity’s most profound scientific quests—one that could fundamentally reshape our understanding of our place in the universe. Yet current ...