Price history: Before today's deal, the lowest price this year that we've seen for the Celestron NexStar 8SE was $1299 back ...

Dubbed 3I/ATLAS, the comet poses no danger to Earth and will remain roughly 150 million miles away as it speeds by.

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

On July 1, the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

Rare earth metals power modern tech and clean energy, driving global trade shifts and geopolitical tension as new materials ...

A team from the Fraunhofer Institute for Applied Optics and Precision Engineering (IOF), local spin-off company Spaceoptix, ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.