An alien comet passing through our solar system made its closest approach to Mars recently, and two European robotic ...
Astronomers have discovered a surprisingly "pristine" red giant with the lowest concentration of heavy elements ever seen in a star. It is likely a direct descendant of one of the universe's first ...
The European Space Agency's ExoMars Trace Gas Orbiter and Mars Express took photos of the interstellar comet 3I/ATLAS as it passed within 19 million miles in space. That might seem extremely far, but ...
The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.
Astronomers using the James Webb Space Telescope (JWST) have made a rare and groundbreaking discovery. For the first time, ...
Mars will shine close to the blue star Spica at sunset on Sept. 13, but you'll need a clear view of the western horizon to catch the colorful duo before they slip swiftly out of view. Look west as the ...