Astronomers have discovered the oldest and most distant black hole — a behemoth that likely formed at the dawn of the ...

Maria Mitchell, the first widely recognized American woman scientist, gained international acclaim after discovering a comet ...

The very first stars in the universe may have been much smaller than scientists thought — potentially explaining why we can't ...

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star.

An international team of astronomers led by The University of Texas at Austin's Cosmic Frontier Center has confirmed the most ...

An international team of astronomers has identified the earliest black hole ever confirmed, an ancient behemoth that existed ...

A new summer exhibition in the First Floor Gallery of the Albert and Shirley Small Special Collections Library explores the ...

Yerkes Observatory near Lake Geneva is more than 125 years old, is the site of numerous scientific discoveries, is home the world's largest refracting telescope and has been visited by the likes ...

Pope Leo XIV looks through the main telescope of the Vatican Observatory in Castel Gandolfo, Italy, alongside U.S. Jesuit Father ...

Compound, or catadioptric, telescopes combine lenses and mirrors for a compact option, suitable for both planetary and ...

Months after arriving in orbit thanks to a Falcon 9 rocket launch from Vandenberg Space Force Base, NASA ’s newest space telescope has started collecting images of the universe.

A new observatory in Chile has produced a stunningly detailed image of a nebula resembling cotton candy, using the largest telescope in the world.