"Dark matter makes up most of the mass of the universe, but we cannot observe it directly. So how did dark matter form, and why does it play an important…
"The universe is constantly expanding, and the rate of this expansion is increasing under the influence of a mysterious force we call dark energy. But what is dark energy really,…
"Shortly after the Big Bang, our universe contained only the lightest elements like hydrogen and helium. But within the primordial gas clouds, the first stars appeared, lighting up the dark…
"Antimatter - one of the greatest mysteries of modern physics, may hold the key to better understanding the universe and our own existence." Antimatter, an exotic form of matter that…