big bang

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Stephen Hawking Smile

Stephen Hawking's Final Paper Cuts the Multiverse Down to Size

By Rafi Letzter last updated

The great physicist's library of work is now complete.

Cosmology
A combined optical/mid-infrared image featuring data from both the Hubble Space Telescope and the James Webb Space Telescope. It is in a spiral pattern.

Can the James Webb Space Telescope really see the past?

By Brandon Specktor last updated

Astronomers are using the James Webb Space Telescope to look back in time. How is this possible? It's just the nature of light, according to NASA.

Space Exploration
black holes

9 ideas about black holes that will blow your mind

By Adam Mann last updated

Some of the strangest ideas ever proposed about the weirdest cosmic objects, black holes

Black Holes
NASA’s James Webb Space Telescope has produced the deepest and sharpest infrared image of the distant universe to date. Known as Webb’s First Deep Field, this image of galaxy cluster SMACS 0723 is overflowing with detail.

Webb space telescope has just imaged another most-distant galaxy, breaking its record after a week

By Ben Turner published

The new record happened by accident.

Cosmology
The universe. Nebula Abstract background. Xuanyu Han via Getty Images

What is the universe?

By Paul Sutter published

Reference It's quite a big question and a lot is still unknown about the universe, but we'll tell you everything that we do know, from how the universe was created, how old it is and what it's even made of.

Reference
An artist's impression of a transitioning red quasar -- a bright, compact object shrouded in clouds of red dust

Ultra-rare black hole ancestor detected at the dawn of the universe

By Brandon Specktor published

Scientists may have detected the first known 'transitioning red quasar' in the universe, dating to just 750 million years after the Big Bang.

Black Holes
Dark Matter in a simulated universe_Illustration Credit & Copyright Tom Abel & Ralf Kaehler (KIPAC, SLAC), AMNH

Dark matter could be a cosmic relic from extra dimensions

By Robert Lea published

Massive gravitons may have formed a trillionth of a second after the Big Bang, in abundances great enough to account for dark matter.

Dark Matter
Researchers suspect that Earth's core holds a vast reservoir of the rare gas, helium-3.

Rare primordial gas may be leaking out of Earth's core

By Laura Geggel published

A vast reservoir of the rare gas helium-3 may be hanging out in Earth's metallic core.

Planet Earth
Artist's concept of the European Space Agency's Gaia spacecraft mapping stars in the Milky Way galaxy.

The Milky Way's 'thick disk' is 2 billion years older than scientists thought

By Brandon Specktor published

Astronomers have found that part of the MIlky Way known as the thick disk is about 2 billion years older than expected, forming just 0.8 billion years after the Big Bang.

Cosmology
This illustration shows what a multiverse of bubble universes might look like.

Our universe may have a twin that runs backward in time

By Paul Sutter published

A mirror universe that runs backward in time sprouted up before the Big Bang.

Physics & Mathematics
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