A3 though is seemingly led by a “physics-defying” anti-tail, Nasa noted last year. The rare phenomenon is caused by the Earth moving through the comet’s orbital plane, the American space ...

The European Space Agency shared a video on Tuesday from its sun-watching SOHO spacecraft that shows Comet A3 looking like a glowing streak of light. You can even see an unusual "anti-tail ...

Tsuchinshan-ATLAS was that rare type of comet that arrived with fanfare and lived up to the hype, serving up naked-eye views ...

The scientists confirmed that the signal is of a tightly orbiting rocky planet that is trailing a long, comet-like tail of debris. "The extent of the tail is gargantuan, stretching up to 9 million ...