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

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

The newest visitor is 416 million miles (670 million kilometers) from the sun, out near Jupiter. NASA said the comet will ...

Space Shuttle is set to be moved out of Smithsonian and to Texas thanks to Trump’s tax bill - President Donald Trump’s bill ...

NASA confirms that mysterious object shooting through the solar system is an 'interstellar visitor' — and it has a new name ...

U.S. Sens. John Cornyn and Ted Cruz got language into President Donald Trump's "Big, Beautiful Bill" that creates a path for ...

The introduction, testing, and availability of uPSP is the result of a successful five-year-long effort, begun in 2019, in ...

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