Adaptive radiation is the process by which a single lineage undergoes multiple speciation events to fill divergent ecological niches. This results in a cluster of phenotypically distinct, related ...

Microsoft has patched potentially critical vulnerabilities in Update Catalog and Windows Defender on the server side. The tech giant has released advisories for each flaw and assigned CVE identifiers, ...

At the time, his plans seemed bold. HIV and AIDS infections were rising. Few treatments existed. At its peak in 1995, AIDS killed 50,628 people in the U.S.—that's more than 10 times the latest ...