Evidence suggests ancient civilizations, including the Greeks, may have had early optical knowledge and devices like ...

The Webb telescope is well-suited to identify asteroid 2024 YR4's size. Webb views a type of light we can't see with the ...

Astronomers say the asteroid, estimated at 40-90 m (131-295 ft.) in diameter, could impact Earth on Dec. 22, 2032. “It is ...

Revolutionary technique allows astronomers to capture incredibly high-resolution images of distant galaxies and supermassive black holes.

In a stunning astronomical discovery, the James Webb Space Telescope (JWST) has unveiled a spectacular image of HH 30, a ...

(THE CONVERSATION) If you want to know what happened in the earliest years of the universe, you are going to need a very big, very specialized telescope. Much to the joy of astronomers and space fans ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

The most powerful space telescope ever built is peering into some of the deepest realms of the universe. The director of the Space Telescope Science Institute, which runs the James Webb Space ...

In eight years' time, an asteroid dozens of meters in size could hit the Earth. One of our best instruments is now to ...

From supermoons to an eclipse and star parties at national parks, these captivating celestial phenomena will get Americans ...

Jupiter has been high in the sky in the evening lately, and that stirred a memory of the first time I ever saw Jupiter ...