As night descended, a rumble of frogs filled the air in this park outside the central Mexican city of Queretaro. In the sky, tiny stars appeared one by one, aligning into constellations.

The direction, distance and motion of the comet through the sky during its closest approach could have made it seem like it was hovering over Bethlehem when Jesus was said to have been born.

Fans can vote through early morning of Dec. 22 for their favorite boys and girls in the latest Marion Star Athlete of the ...

December's faint Ursid meteor shower returns under dark skies, offering a small chance of unexpected activity.

With one of NASA's most data-rich Martian orbiters of the 21st century in distress, now is as good a time as ever to remember what's at stake if MAVEN is lost.

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

NASA has lost contact with its MAVEN spacecraft that launched from Florida and has been orbiting Mars for more than a decade.

AI search company Perplexity launched its Comet browser today on Android. The startup debuted the AI-centric browser in July on desktop with AI-powered search. The company is bringing most of the ...

Comet made its mobile debut on Thursday, Perplexity announced. The Android app comes with smart summarization and an ad blocker. Android's ecosystem could make it easier for Comet to spread. AI ...

The latest images of an interstellar comet shared by NASA have captured how an array of spacecraft witnessed a flyby that was truly out of this world, revealing clues to the object’s composition.

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an object that came from beyond our solar system. By Kenneth Chang Month-old ...