As SpaceX's Starlink satellites continue to deorbit, experts warn of potential risks including Kessler syndrome, a scenario that could render parts of Earth's orbit unusable. Harvard astrophysicist Jonathan McDowell sheds light on the implications of increasing satellite reentries and their environmental effects.
Harvard astrophysicist Avi Loeb raises eyebrows as he suggests that the interstellar object 3I/ATLAS might be an extraterrestrial artifact. While researchers view it as a comet, Loeb calls for NASA to investigate its unusual trajectory and size.
A Harvard astrophysicist suggests a mysterious solar system object, 3I/ATLAS, might be a nuclear-powered spacecraft, challenging NASA's assessment. As it approaches Earth, the debate intensifies.