Astronomers have recently uncovered a colossal dark object outside our Solar System that defies direct observation. This ...

I/ATLAS has just sailed through its closest point to the Sun with a surprising lack of massive flare-up and tail, just going in a steady motion. For an object entering our solar system from another ...

Groundbreaking observations of exoplanets from the James Webb Space Telescope (JWST) continue to emerge with the publication of the highest quality, most detailed spectrum ever obtained for a ...

"If the object is an alien spacecraft slowing down, and the anti-tail is braking thrust, then this change from anti-tail to ...