As 3I/ATLAS starts its long, lonely journey into the cold depths of interstellar space, it leaves behind a trail of data that ...

Is 3I/ATLAS a natural comet or an alien probe? Harvard's Avi Loeb explores the mystery of its sunward 'anti-tail' and what it ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

From signs of life on Mars to an interstellar visitor and weakening dark energy, 2025 reshaped space science, raising the ...

The interstellar comet 3I/ATLAS has swung back into view after passing behind the Sun, and its return is proving even ...

A single metallic boulder sitting in an ancient Martian riverbed is forcing scientists to rethink what they thought they knew ...

It also pushed them to tighten their standards, especially when the conversation shifts from “interesting chemistry” to ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...

The answer is as obvious as it seems – the Earth looks flat when you're standing on it, not cone-shaped. Visual evidence ...