President Donald Trump on Monday unveiled plans for a new “Trump-class” battleship, positioning it as a centerpiece of his ...

In the velvet darkness of the night sky, a visitor from the deepest reaches of the galaxy is currently making its final curtsy before vanishing into the void forever. It is a moment of profound cosmic ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter. When you purchase through links on ...

Astronomers have found what could become the first target for a crucial test of NASA’s upcoming Nancy Grace Roman Space Telescope, a soon-to-launch observatory that serves as a pathfinder mission for ...

(KTLA) — NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of speculation — and a full-blown online debate — over whether it could be an ...

3I/ATLAS is ready for its close-up. After much anticipation, NASA will release images of Manhattan-sized comet 3I/ATLAS — including the much-awaited HiRISE snaps — as it streaks through our solar ...

The images were captured by the High Resolution Imaging Science Experiment (HiRISE) aboard the Mars Reconnaissance Orbiter (MRO) on Oct. 3, when the comet passed within about 18 million miles of Mars.