While the Voyager spacecraft are constantly traveling out of the Solar System, sometimes they are getting closer to Earth.

The interstellar comet 3I/ATLAS has just done something no visitor from another star system has ever been caught doing: it ...

Harvard Professor Avi Loeb explains that alignments between interstellar object 3I/ATLAS and gamma-ray bursts are ...

Forget what you learned in school. The solar system isn't just a flat disc of planets it's a 3D bubble moving through space.

Green-glowing interstellar comet 3I/ATLAS, heading for its December 19 flyby, is spewing key organic 'ingredients for life' ...

Interstellar comet 3I/ATLAS reveals astonishingly rich organic chemistry, confirming that life's building blocks are ...

Astronomers studying the interstellar comet known as 3I/ATLAS have detected a vast and unexpected X-ray halo extending ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Images captured by NASA's Parker Solar Probe as the spacecraft made its record-breaking closest approach to the sun in ...

As on-orbit capabilities grow more advanced, ground systems are undergoing a transformation of their own. Ground network ...

The stealthy startup plans to use a network of satellites to harvest sunlight and send it to Earth using infrared lasers.