NASA and Lockheed Martin's experimental X-59 aircraft has broken the sound barrier twice, achieving a top speed of Mach 1.4. The feat could set the stage for "quiet" supersonic flight.
A new study shows that the Small Magellanic Cloud is being pulled apart by its larger sibling on the Milky Way's periphery, upending our understanding of our cosmic neighbor.
People with a rare condition experience "pauses" in their heart beat that cause them to faint. A new procedure could change their lives, research suggests.
Repeated doses of a tuberculosis vaccine lowered insulin needs in patients with two forms of diabetes, new trial data show. But more research is needed to prove the benefit.
The National Oceanic and Atmospheric Administration gives the climate event a 63% chance to "rank among the largest El NiΓ±o events in the historical record going back to 1950."
Emerging tests promise to screen for many cancers at once, but one just failed in a big trial. Will these diagnostics deliver on their promise someday?
In a proof-of-concept lab experiment, scientists demonstrated that intestinal parasites could make and release therapeutic agents inside a living host.