A stunning new image of interstellar comet 3I/ATLAS (C/2025 N1 ATLAS) reveals the cosmic visitor's ion tail has grown ...

Astronomers have ruled out alien origins for interstellar visitor 3I/ATLAS, confirming it's a natural comet—not an ...

Data captured by a robotic telescope indicate the ion tail now extends a minimum of 0.7 degrees toward the northeast.

In a surprising turn, new images revealed that 3I/ATLAS lost its tail after passing close to the Sun. Typically, solar heat ...

A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.

Space dust provides more than just awe-inspiring pictures like the Pillars of Creation. It can provide the necessary ...

An instrument built by the University of Colorado Boulder will soon launch on a NASA space mission where it will aim to collect interstellar dust particles hurtling through space at an average of 16 ...

A team of researchers from the University of Colorado Boulder is gathering at NASA’s Kennedy Space Center in Florida this morning for a planned launch of their IDEX space device. The IDEX, short for ...

A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.