Big Bang

Could the profound mysteries of antimatter and dark matter be linked?

Study presents a direct search for interactions of antimatter with dark matter.

Dark matter may have existed before the big bang, study

Testing the origin of dark matter by observing the signatures dark matter leaves on the distribution of matter in the universe.

New Hubble constant measurement adds to mystery of universe’s expansion rate

In a new study, scientists announced a new measurement of the Hubble constant using a kind of star known as a red giant and indicated that the expansion rate for the nearby universe is just under 70 kilometers per second per megaparsec (km/sec/Mpc).

New method to provide a clearer window into dark universe

The cosmic microwave background (CMB) is thought to be leftover radiation from the Big Bang or the time when the universe began. Also known...

2,65,000 galaxies in an extensive legacy field mosaic

NASA's Hubble Space Telescope has recently captured an image of a legacy field, showing 2,65,000 galaxies, each at different stages in their life cycles,...

Assembling wide view of the evolving universe

Astronomers have put together the largest and most comprehensive "history book" of galaxies into one single image, using 16 years' worth of observations from...

Dark matter exists, confirms study

Most of the universe is made up of dark energy, a mysterious force that drives the accelerating expansion of the universe. The next largest...

New way to probe primordial universe before the big bang

Most everybody is familiar with the Big Bang — the notion that an impossibly hot, dense universe exploded into the one we know today....

The universe’s first type of molecule is found at last

The first type of molecule that ever formed in the universe has been detected in space for the first time, after decades of searching....

What happened before Big Bang?

The Big Bang hypothesis is a push to clarify what occurred at the very beginning of our universe. Revelations in astronomy and physics have...