john finney photography/Getty Images Tornadoes are moving into regions ... comes into contact with a storm’s updraft. This forms a mesocyclone. 3 / As that warm updraft rises, it smashes into ...

The final results from the Atacama Cosmology Telescope offer the sharpest, most sensitive view of the early cosmos that ...

Before it shut down, a telescope in Chile captured the universe's baby photos, just 380,000 years after the Big Bang. These ...

Mitochondria are the powerhouses in our cells, producing the energy for all vital processes. Using cryo-electron tomography, ...

Tornadoes in the South and Midwest overnight and early Saturday left 12 dead in Missouri. More tornadoes are forecast through ...

The shadow of the Blue Ghost spacecraft after it landed on the moon, with Earth in the distance. Blue Ghost just completed its mission, which lasted a full lunar day — two Earth weeks — on the near ...

The images, shared on social media, show a few cheerful moments between the two as they head towards Marine One on the South Lawn. In the photos, Donald Trump, dressed in a dark blue suit ...

The vast majority of violent tornadoes form from supercells, thunderstorms with a deep rotating updraft, called a “mesocyclone.” Vertical wind shear can enable the midlevels of the storm to ...