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Astrophysics

Physics

Studying the universe鈥檚 origins hint that its beginning has no end

The cosmos is stranger than we ever imagined and new bubbles of space-time may pop up and grow continuously with no beginning or end, writes Chanda Prescod-Weinstein

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Above, an artist's impression shows a primordial quasar as it might have been, surrounded by sheets of gas, dust, stars and early star clusters. Exacting observations of three distant quasars now indicate emission of very specific colors of the element iron. These Hubble Space Telescope observations, which bolster recent results from the WMAP mission, indicate that a whole complete cycle of stars was born, created this iron, and died within the first few hundred million years of the universe.

Physics

Massive simulation of the universe shows how galaxies form and die

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Physics

Born in the big bang: How ancient black holes could save cosmology

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Space

Dust is annoying, but it is also key to life and death in the cosmos

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Physics

What if there was no big bang and we live in an ever-cycling universe?

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Physics

How the coolest, smallest stars could help us discover new exoplanets

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Cosmic inflation
Claire Burke

Technology

Claire Burke on using thermal drone tech to protect orangutans

Regulars
How did the universe begin?

How did the universe begin?
Mathematician and physicist Roger Penrose

Roger Penrose

Roger Penrose聽is one of the world's most prominent theoretical physicists who聽in 1965 produced the mathematics that showed how stars collapse to form black holes.

Isaac Newton

Physics

We’ve seen signs of a mirror-image universe that is touching our own

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Space

LIGO may have just spotted a black hole devouring a neutron star

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Physics

What would happen if you got sucked into a black hole?

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