Global cooling associated with the impact of supernova remnants may have affected plants and animals, including species ...

And there is quite a bit of tension around it. In two new papers led by my colleague Patrick Kelly at the University of Minnesota, we have successfully used a new technique – involving light from an ...

Some recent efforts to measure the universe further from Earth, like the SH0ES project I was a part of, led by Nobel laureate Adam Riess, have used Cepheids alongside a type of exploding star ...

A theory holds that dark matter could be involved in a mirror universe and that runs backwards before the Big Bang.

A catalog of over 2,000 exploding white dwarf vampire stars, the largest ever gathered, has provided further evidence that dark energy is weakening.

Using the largest catalog of exploding white dwarf vampire stars ever gathered has provided further evidence that dark energy, the mysterious force accelerating the expansion of the universe, is ...

The Extravagant Universe: Exploding Stars, Dark Energy, and the Accelerating Cosmos (Princeton Science Library) Robert P. Kirshner (Author), Robert P. Kirshner (Epilogue) Princeton University Press ...

The explosions that blew apart the universe’s first stars are shrouded in mystery. These energetic blasts are inherently difficult to recreate in computer simulations, even using modern ...

The theory breaks with the popular idea that expansion is caused by dark energy and suggests energy for expansion would never run out.

The universe's first stars were immense, very short-lived fireballs of hydrogen and helium gas, which formed a few hundred million years after the big bang.

Many a puzzled British housewife waited anxiously last week for the world to blow to pieces. As these matrons sat in their comfortable homes, a quiet voice from the radio had told them that the ...