- NASA Reveals Near-Earth Asteroid 1998 SH2 Is an Active Comet Techgenyz
- NASA Study Finds Near-Earth Asteroid Is Actually Comet NASA (.gov)
- Non-gravitational acceleration indicative of cometary activity of near-Earth object Nature
- ‘Dark’ comets sprouting tails could help solve interstellar mysteries Scientific American
- An ‘Asteroid’ Tracked Since 1998 Made an Unexplained Orbital Shift—Now Astronomers Say It’s Something Far More Mysterious The Debrief