As the oldest astronaut Buzz Aldrin turns 96, the astronauts of Artemis II wish him happy birthday and talk about their Apollo inspirations.

Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...

Solar system comet C/2024 E1 (Wierzchos) makes its closest approach to the sun today (Jan. 20) during an event known as ...

Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent ...

A powerful flare has unleashed a severe solar storm that could cause auroras and satellite disruptions on Earth.

The sun sure has woken up this week, unleashing a powerful X-class solar flare on Jan. 18 that hurled a colossal, fast-moving ...

The sun's inner corona, the hottest part of our star's atmosphere, appears faint yellow in a time-lapse made from images ...

FLORIDA TODAY photographers captured a gallery of images of the SpaceX Falcon 9 rocket streaking across the darkness Jan. 18 ...

Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just ...

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.

As they fly around the moon, the four astronauts of NASA's Artemis II will see views never seen by the human eye. Here's how.

Sales at the long-suffering Macy’s have begun to improve under new CEO Tony Spring, who has shuttered unprofitable stores and ...