The 3I/ATLAS ‘alien spacecraft’ may cause the stock market to crash if it strays just a little from its path around our sun, experts have said. Initially labelled a “comet”, this bit of space lump was ...

Today marks a celestial moment of truth. As the interstellar comet 3I/ATLAS reaches its closest point to the Sun, a controversial theory faces its final test: is it just a comet, or an alien ...