Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

The research paper reports a breakthrough that will enable gravitational-wave detectors to reach extreme laser powers. It ...

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of ...

Where is all the water that may form oceans on distant planets and moons? The SPHEREx astrophysics mission will search the ...

Five of the brightest planets Mercury, Venus, Mars, Jupiter, and Saturn, can be seen even from urban areas with mild ...

Using clever light-detecting techniques, ExTrA searches red dwarf stars for planets that might support life. By studying tiny ...

NASA's Hubble Space Telescope has captured a cosmic bullseye! The gargantuan galaxy LEDA 1313424 is rippling with nine star-filled rings after an 'arrow' -- a far smaller blue dwarf galaxy -- shot ...

Shaped like a megaphone, the upcoming mission will map the entire sky in infrared light to answer big questions about the universe.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Space agencies are ...

In addition to the Specola at Castel Gandolfo, the Vatican Advanced Technology Telescope, located on Mount Graham in southeast Arizona, is operated by the Vatican Observatory Research Group in ...

Visible planets include Venus, Saturn, Jupiter, and Mars to the naked eye, while Uranus and Neptune may require a telescope. The event is best viewed 45 minutes after dark. Skygazers, get ready ...

The Griffith Observatory in Los Angeles, the Hayden Planetarium in New York, and the McDonald Observatory in Texas will be offering telescope sessions to help one get the best view. Several state ...