Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...

The post Astronomers Hoping To Be Ready To Send A Probe To The Next Interstellar Object That Enters Our Solar System first on ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system.

A NASA mission, IMAP, and two more spacecraft that will study space weather are traveling through space atop a single SpaceX ...

Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

NASA is tracking an object that is entering the solar system at approximately 245,000 km/h. This interstellar visitor is ...

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

Just two decades after astronomers discovered the first exoplanet, NASA has confirmed the existence of 6,000 alien worlds.

The NASA/ESA/CSA James Webb Space Telescope has provided the first direct measurements of the chemical and physical ...