Science
Canada lost its measles-free status after endemic measles transmission was re-established, health authorities said, marking a reversal amid a national resurgence of the virus.
The U.S. Food and Drug Administration announced it would remove black box warnings from menopause hormone replacement therapies, prompting critics to say the evidence for the change was insufficient.
A large umbrella review published in the British Medical Journal found no link between paracetamol use during pregnancy and autism in children, contradicting claims by Donald Trump.
Interstellar comet 3I/Atlas developed multiple tails and appeared blue near the Sun, was seen by two spacecraft, and scientists linked it to surface-ice sublimation while Avi Loeb suggested artificial origin.
