Texas synagogue siege: Teens held in UK as Briton named as hostage-taker

These cases are severe—around 5% of the children infected worldwide have needed liver transplants, and 22 have died. And...

On January 9, 2020, Landsat 8 scanned this image of Australia’s wildfire-ravaged Kangaroo Island. With Landsat 9 scheduled to...

We should soon have a better idea. A handful of trials are now under way to test the power...

On the whole, typical vaccines prime the immune system to respond. But scientists are also working on “inverse vaccines”...