Science

Interstellar Comet and Stem Cell Breakthroughs

Updated 2026-06-22 15:20 UTC 1 source Positive

Scientists have discovered that the interstellar comet 3I/ATLAS is almost as old as the universe. Additionally, stem cell therapy has successfully treated severe autoimmune diseases for up to 15 years.

Coverage timeline — 2 articles

Scientific American

Stem cells banish severe autoimmune disease for 15 years

Two people were the first to receive the therapy for a condition that damages the spinal cord and optic nerve

2026-06-22 14:30 UTC

Scientific American

Interstellar Comet 3I/ATLAS is almost as old as the universe itself

The evidence is mounting: this interstellar visitor is even older and weirder than anyone thought

2026-06-22 15:00 UTC