A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Interstellar object 3I/ATLAS, the third such visitor ever observed, is exhibiting unusual energy and chemical behavior as it ...

The Artemis II mission, which could launch as early as February, is expected to send four astronauts on a trip to the moon, ...

Harvard's Avi Loeb warns that interstellar comet 3I/ATLAS defies standard physics, raising the stakes for planetary defence ...

Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

Claims accusing NASA of hiding details have sparked anger over the 3I/ATLAS space discovery photos. There is an object from ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Two of NASA’s longest-running space missions, Voyager 1 and Voyager 2, have detected a searing-hot region of space where the ...