Whether the Universe will 'end' at all is not certain, but all evidence suggests it will continue being humanity's cosmic ...

A team of international physicists has delivered a striking challenge to one of the most provocative ideas in modern science: ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

Our Solar System orbits the galactic center at an estimated 792,000 kilometers per hour, taking 225 million Earth years to ...

Could the Universe have been born inside a black hole? This question, raised by a team of scientists, challenges the Big Bang theory. Their proposal suggests our Universe might have formed within the ...

For several decades, evidence has suggested that the expansion of the universe is accelerating. Crucial to those estimates were the use of standard candles, celestial events of the same luminosity ...

In a cafe at CERN in 1992, three physicists realized they disagreed about how many constants are needed to describe all of nature. A recent paper suggests only one – time – is necessary.

Although these findings from JWST are yet to be confirmed, they mark the closest astronomers have come to locating the ...

The universe is expanding. That much is clearer. But it’s less clear whether this expansion is accelerating or slowing down.

In 2002, two astronomers analyzing data from more than 200,000 galaxies decided to answer a question nobody asked: if you ...

There is a new exhibit at the University of Arizona Flandrau Science Center and Planetarium: Universe of Science. It features a variety of interactive activities for people of all ages to learn about ...