A conceptual mission known as "Persephone" could explore Pluto and its moons for 50 years — if it ever gets funded and ...

Oregon stargazers have plenty of reasons to look up in August – a month marked by meteor showers, planetary conjunctions, and ...

3I/ATLAS was discovered by NASA's Asteroid Terrestrial-impact Last Alert System (ATLAS) on 1 July, and is just the third ...

On the subject of Comet 3I's unnaturalness, Harvard physicist Avi Loeb has admitted to having concerns about the discovery in ...

The 3I/ATLAS, which was first spotted on July 1, has the fastest velocity of any solar system visitor to date, NASA says. The comet’s 130,000 mph speed is nearly 100 times the speed of some bullets.

Is it an alien spaceship or an ancient comet? That’s the question puzzling UFO enthusiasts, NASA, and the European Space Agency since an interstellar visitor entered our solar system last ...

The annual Perseids Meteor Shower will peak Tuesday night and early Wednesday morning. However, the Waning Gibbous moon will ...

Hubble telescope captures third interstellar visitor 3I/ATLAS showing active dust coma racing through solar system.

Lunar Trailblazer was set to map the Moon’s water in unprecedented detail but was lost after a communications failure soon ...

Venus and Jupiter, the brightest planets in our solar system, are about to make their closest approach during their August conjunction.

Massive interstellar object 3I/ATLAS, larger than Manhattan, shows unusual glow pattern and planetary alignment that Harvard physicist calls potentially technological.

Spokane native and NASA astronaut Anne McClain has now safely traveled to space and back, twice. McClain, a U.S Army Colonel ...