That meant that things farther away from Earth were moving away faster. In other words, the universe must be expanding. He announced his finding in 1929. The ratio of distance to redshift was 170 ...

Primordial black holes are ancient mysteries, born in the universe’s earliest seconds. Unlike regular black holes, they weren ...

The most powerful cosmic rays raining down on Earth may come not from distant corners of the universe but from heavy ...

New data involving millions of galaxies and luminous galactic cores is providing fresh evidence that the enigmatic and ...

Carl Sagan told us that there are more stars in the universe than there are grains of sand on all of the Earth's beaches. At the same time, there are more H 2 O molecules in just 10 drops of water ...

“Another explanation could be that the distribution of galaxy direction of rotation in the universe is random, but only seems non-random to an Earth-based observer,” he said in the same study.

An international team of researchers has discovered a super-Earth that will allow astronomers to test new hypotheses in the quest for life in the Universe. The habitable zone around the star HD 20794 ...

The model developed by the team found that white dwarfs can fuel both processes simultaneously, making Earth-like planets ... off need to be revisited. Related: The search for alien life Habitable ...

The visible universe—including Earth, the sun, other stars, and galaxies—is made of protons, neutrons, and electrons bundled together into atoms. Perhaps one of the most surprising discoveries ...

living things appeared on the new planet Earth. Stephen Hawking was a world-famous physicist and cosmologist. In the 1960s, he discovered that although the universe looks like it is static ...