Space is not as empty as it looks. Right now, as you read this, NASA scientists are actively watching dozens of objects ...

Scientists have long know many objects floating at the solar system's out edges resemble snowmen, but the reasons why were never clear. Now a student at Michigan State University has created the first ...

Earlier this month, astronomers were thrilled to spot an interstellar object — only the third of its kind ever observed — hurtling toward the center of the solar system on an extremely unusual ...

Tiny interstellar visitors from other star systems are increasingly entering our solar system, with the latest, 3I/ATLAS, ...

What made the pulses puzzling to the astronomers was that they came in the form of both radio waves and X-rays. The discovery marks the first time that such objects, called long-period transients, ...

Three more objects were shot down by the U.S. military over the weekend after officials said they posed a threat to civilian airspace. The remarkable development came roughly one week after the U.S.