NASA’s James Webb Space Telescope has captured the first mid-infrared chemical fingerprint of an interstellar object, ...

In July 2025, astronomers detected the third known interstellar object ever observed passing through our solar system—an ...

NASA unveiled close-up pictures on Wednesday of the interstellar comet that's making a quick one-and-done tour of the solar system. Discovered over the summer, the comet known as 3I/Atlas is only the ...

NASA has finally pulled back the curtain on a collection of extraordinary images showing an interstellar visitor that has captivated astronomers and conspiracy theorists alike since its discovery this ...

A new study suggests laser-driven interstellar lightsails may face a hidden efficiency problem as the very light pushing them starts behaving less helpfully.The Latest Tech News, Delivered to Your Inb ...

NASA is gearing up for a "Big Bang" activity that could extend the lives of the Voyagers' remaining instruments. When you purchase through links on our site, we may earn an affiliate commission.

A comet hurtling through the solar system from interstellar space is exactly what it appears to be, NASA officials said Wednesday, moving to quash a wave of online speculation. At a news conference, ...

For the third time in history, NASA has observed an interstellar traveler passing through our solar system. Multiple US and international observatories captured Comet 3IATLAS since its July 1 ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

Nov. 20 (UPI) --NASA released images of the interstellar comet 3I/ATLAS flying past Mars and, based on the agency's observations, scientists expressed doubt that it is an alien spaceship. Space ...