"All natural uranium today contains 0.720 percent of U-235," the International Atomic Energy Agency (IAEA) explains. "If you ...

Researchers studied tiny asteroid fragments from Ryugu, revealing that it originated in the outer solar system and evolved ...

THIS is the moment a “rare” fireball shooting star lit up Irish skies last night. The phenomenon was spotted in skies across ...

There was water on Mars as early as 4.45 billion years ago, just a short time after the planet formed from the leftover dust ...