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

NASA is probing a sudden loss of contact with its MAVEN Mars orbiter after rare 3I/ATLAS data, raising questions about timing ...

A communication blackout temporarily silenced NASA's MAVEN orbiter, a crucial source of data on Mars' atmosphere. Engineers are working to recover the spacecraft, which entered a protective safe mode, ...

CINEMA, a mission to improve understanding of the growing impacts of space weather, has been competitively selected by NASA ...

Firefly plans to launch its lander toward the moon’s South Pole by the end of 2026. Assuming it arrives in one piece, the ...

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

What can a rocky molten exoplanet with an atmosphere teach astronomers about planetary formation and evolution? This is what ...

Imagine an object sailing through the black void, a piece of cosmic shrapnel that was formed in a star system light years ...

Regular, alternating layers in Gale Crater may have been deposited as the result of tides raised by a moon at least 18 times ...

The world of science is constantly evolving, driven by human curiosity and the quest for knowledge. New discoveries are made daily, pushing the boundaries of our understanding and opening up fresh ...

Learn more about brown dwarfs, the cosmic misfits that blur the line between planet and star.

A strange, gleaming rock on Mars has jolted planetary scientists out of their routines, not because it is large or dangerous, but because it appears to be wildly out of place. The object, sitting ...