The female sex hormone estrogen, along with progesterone, appears to underlie a fundamental difference in how males and ...

Nitisinone, a drug that is already used to treat two genetic diseases, could be repurposed to control the spread of malaria, ...

The sounding rockets released vapor tracers and pressure sensors at different altitudes across central and northern Alaska ...

Researchers analyzed the ancient DNA of two mummies from what is now Libya to learn about people who lived in the "Green ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation ...

A roughly 100-year-old western Santa Cruz Galápagos tortoise has become a mom for the first time after reproducing with a ...

SpaceX's Starship has been awarded a NASA contract that will allow it to be considered for future missions. However, recent explosive tests have shown the supersized spacecraft is still far from ...

"Twins! She has another baby," Judith Pardo-Pérez, a paleontologist at the University of Magallanes in Chile who first ...

A man in his early 20s received a transplant of his own sperm-producing stem cells, which had been frozen since his childhood.

A new view of the Helix Nebula reveals a dying white dwarf star at the nebula's center. This star's violent eating habits ...

The James Webb Space Telescope has taken its first look at the near-Earth asteroid 2024 YR4 before a perilous close approach ...

Has the sun already reached solar maximum? New data suggests Solar Cycle 25 may have peaked earlier than expected. Find out ...