Among his legacies are the Arab Community Center for Economic and Social Services (ACCESS) and the Concert of Colors.

Not only will Artemis II be the first mission to reach the moon in more than half a century, it will also represent a significant demographic and cultural shift. Koch will be the first woman to go to ...

By resurrecting a 3.2-billion-year-old enzyme and studying it inside living microbes, researchers at the University of ...

More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...

Evidence from fossil shells suggests that falling seawater calcium helped lock away carbon dioxide and helped cool Earth after the dinosaurs.

Scientists have solved a 66 million year old mystery about why the earth cooled after the age of the dinosaurs.

After the Big Bang, the Universe entered a long, dark period before the first stars formed. During this era, hydrogen emitted a faint radio signal that still echoes today. New simulations show this ...

Mars is about half Earth’s size and roughly a tenth its mass — not really the sort of planet you’d expect to leave fingerprints on Earth’s climate history. Yet a new set of simulations by an ...

A pair of Sacabambaspis fish, around 35 cm in length, which had distinct, forward-facing eyes and an armored head. No fossils of animals like Sacabambaspis from after the Late Ordovician Mass ...

CAPE CANAVERAL, Fla. (AP) — An ailing astronaut returned to Earth with three others on Thursday, ending their space station mission more than a month early in NASA’s first medical evacuation. SpaceX ...