The cosmos just got a little stranger. While NASA has assured the public that interstellar comet 3I/ATLAS poses no threat to Earth, the space agency has allegedly initiated a planetary-defence mission as the comet behaves in ways scientists cannot fully explain.
With its closest approach to our planet still hundreds of millions of kilometres away, 3I/ATLAS has already prompted a rethink of what it means to be truly prepared for visitors from beyond our solar system.
