A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as 3I/Atlas will pass within ...

The Manhattan-size interstellar object 3I/ATLAS exhibited signs of non-gravitational acceleration and appeared “bluer than the sun” as it passed our local star — which could be signs of an alien craft ...

A rare interstellar object is hurtling toward the sun and, despite viral claims, experts say it's just a normal comet, although it's showing some unexpected behavior. 3I/Atlas marks the third ...

For the first time, physicists have simulated what objects moving near the speed of light would look like — an optical illusion called the Terrell-Penrose effect. When you purchase through links on ...

Ever since a mysterious interstellar object, since dubbed 3I/ATLAS, was first spotted screaming into our solar system this year, famed Harvard astrophysicist Avi Loeb has been raising the possibility ...

A House hearing on unidentified aerial phenomena (UAPs) stunned lawmakers when video evidence showed a U.S. drone firing a Hellfire missile at an orb off Yemen—only for the object to remain intact and ...

President Donald Trump has dismissed a viral video showing an object being thrown from a White House window as "probably AI-generated" despite officials earlier claiming it was a contractor performing ...

A Harvard astronomer is suggesting that an interstellar object nearing Earth could be an engineered object — rather than a natural one — after making similar claims in in 2023 and 2017. "The ...

On July 2, NASA revealed the existence of 3I/ATLAS, only the third ever interstellar object observed in the universe. These are objects that exist in interstellar space—the areas between stars—and ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here are all of your questions answered. When you purchase through links on our ...