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 ...

Our sun is about five times less magnetically active than other sunlike stars—effectively a special case. The reason for this ...

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 ...

From the scorching surface of Mercury to the icy edges of Neptune, our planetary neighborhood is full of wonders. The order ...

The milestone comes about during a time of uncertainty for NASA due to Trump's effort to reduce the agency's science budget ...

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 ...