What is dark energy? Why does dark energy seem to be weakening? Is our universe part of a larger multiverse? What lies beyond the boundary of a black hole? The universe seems to be rotating, and if ...

New discoveries are revealing that Albert Einstein and Stephen Hawking share a cosmic connection. Undoubtedly the most recognized scientists in the world, Albert Einstein and Stephen Hawking spent ...

The universe contains roughly 2 trillion galaxies and countless mysteries, including dark matter, supermassive black holes, ...

Aug. 1 is Women Astronomers Day, highlighting the historical achievements of women in astronomy. The designation honors the birthdate, in 1818, of Maria Mitchell, the first American woman astronomer ...

Scientists are rethinking the universe’s deepest mysteries using numerical relativity, complex computer simulations of Einstein’s equations in extreme conditions. This method could help explore what ...

Understanding why we live in a matter-dominated universe demands that scientists recreate the quark-gluon plasma that existed one millionth of a second after the Big Bang. A Large Ion Collider ...

Prologue: From myth to reality: Astronomy : the endless frontier ; Charting and modeling the heavens ; Copernicus : "the last of the Greek cosmologists" ; Galileo : a new approach to mechanics and ...

An anomaly in the temperature of the universe has long stumped physicists, and a new analysis of data from several radio telescopes has only deepened the mystery of what is causing it. This weird ...

"It would be amazing if a simple rotation of the universe was the origin of dark energy." What is dark energy? Why does dark energy seem to be weakening? Is our universe part of a larger multiverse?