Science and Technology At 640 light-years from Earth, Betelgeuse revealed in 2025 a secret hidden for decades: a possible companion star with up to 1.5 solar masses orbiting the supergiant every ~6 years, unprecedented evidence that may explain its brightness variations without indicating an imminent supernova. Valdemar Medeiros 26/03/2026 at 22:25
Science and Technology James Webb Telescope May Have Revealed The Oldest Supernova Ever Seen, Which Occurred Only 730 Million Years After The Big Bang Noel Budeguer 16/12/2025 at 21:56