Update: NASA has confirmed the object is an interstellar comet and says it has been officially named 3I/ATLAS.

The extra cost was to set up and staff a mission control that will now never be used to drive the satellite which has gone missing in space.

Harvard physicist Avi Loeb revealed that the object is expected to approach Earth on December 17, speeding through the solar ...

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

Moving Discovery was the goal of legislation brought earlier this year by Texas Republican Sens. Ted Cruz and John Cornyn, ...

Beginning in the 1960s, satellite instruments have measured Earth's reflected broadband shortwave radiation and emitted ...

NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 ...

From gun silencers to the child tax credit, there are several secluded provisions lurking in the Senate's version of sweeping ...

Websites that displayed legally mandated U.S. national climate assessments seem to have disappeared, making it harder for state and local governments and the public to learn what to expect in their ...

According to the Space Weather Prediction Center, Wednesday night's aurora will be visible in Alaska, Washington state, Idaho ...

In science-fiction stories, companies often mine the moon or asteroids. While this may seem far-fetched, this idea is edging ...

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...