Researchers using NASA's James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky ...

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

Harvard physicist Avi Loeb doubles down on his alien tech theory for interstellar object 3I/ATLAS, urging governments to ...

Astronomers have used the James Webb Space Telescope (JWST) to discover that a distant "hot Jupiter" planet has two ...

Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around (peri) the sun (helios).

A look at the enduring mystery of the ‘Star of Bethlehem’, exploring whether Jupiter, rare planetary alignments, comets or supernovae could explain the celestial event that has fascinated astronomers ...

For decades, scientists have believed that Uranus and Neptune are “ice giants,” planets made mostly of icy materials like ...

NASA has lost contact with a spacecraft that's been orbiting Mars for more than a decade. Maven abruptly stopped ...

In the 1970s, she photographed Andy Warhol and Debbie Harry on wild nights at Studio 54. Now she’s chronicling a new ...

Irish planetary scientists have christened a spider-like feature on Jupiter's icy moon Europa as "Damhán Alla," which ...