The comet is one of only three of its kind recorded in history. But others think there could be more to this celestial object ...

The interstellar comet 3I/ATLAS does not come from our corner of the Milky Way, and may be a time capsule of the early galaxy ...

The discovery of the "hot Jupiter" exoplanet 51 Pegasi b on Oct. 6, 1995 changed the course of astronomical history.

Interstellar comet 3I/ATLAS, one of only three such objects detected, is drawing significant scientific attention as it journeys through our solar system. Initially observed by the Hubble Space ...

NASA's Perseverance Mars rover may have captured an image of interstellar comet 3I/ATLAS streaking across the sky above the ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

For nearly two decades, satellites have monitored how sunlight and heat move through Earth’s atmosphere. Now, new NASA research suggests the planet is becoming darker — with the Northern Hemisphere ...

Modernizing Space Defense Doctrine with the SDA Government The SDA Government isn’t just dusting off old manuals ...