Is there really life on planet K2-18b? We can’t rule it out, but some key questions must be answered | Nathalie Cabrol ○ found 2025 › Apr › 22 (Tue) @ 10:55 UTC a story from The Guardian ⚠️ › International Earth ■■ Carl Sagan Center ■■ Seti Institute Astrobiology ■■ Hycean ■■ Nathalie Cabrol ■■ Seti Institute ■■ Secret Life ■■ Universe ■■ Astrobiologist ■■ Search ■■ Origins ■■ Frontiers ■■ Life ■■ preview sentiment