2025's Cosmic Shocks: Interstellar Comet, Giant Black Hole, Mars Life Hints & More

• Interstellar comet 3I/ATLAS, the third ever detected, streaked through our solar system, revealing unique composition and speed.
• Scientists discovered the largest black hole yet, 36 billion times the Sun's mass, in the Cosmic Horseshoe galaxy.
• James Webb Telescope identified mysterious "red dots" as massive black hole stars, reshaping early universe understanding.
• NASA's Perseverance rover found "leopard spots" and organic molecules on Mars, providing strongest evidence of ancient life.
• New data from DESI suggests dark energy is weakening, challenging previous assumptions about cosmic expansion.

Why It Matters: 2025 redefined our cosmic understanding with breakthroughs from Mars life to weakening dark energy.