Cosmology
Interview | What happened during the first seconds of the Universe?
We spoke to astrophysicist and Fermilab scientist Professor Dan Hooper, to find out what we currently know about the first moments after the birth of the Universe.
Does the Universe have an edge?
What is outside the Universe? Does such a question even make sense?
Major breakthrough. Astronomers have found sugar in clouds between stars for the first time, hinting the ingredients for life formed in deep space
Researchers detected the sugar erythrulose in the molecular cloud G+0.693−0.027 near the centre of the Milky Way.
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Astronomers caught a rare burst of light from deep space. But it's only deepened a huge cosmic mystery
Luminous Fast Blue Optical Transients are blue in colour and evolve rapidly, reaching peak brightness and fading in a matter of days.
A scientist looked at 'little red dots' in the early Universe and found a black hole that shouldn't exist
The mystery of ‘little red dots’ just got deeper, as a galaxy hiding an overmassive black hole hints at a whole population of cosmic Jekyll and Hydes
We thought the Universe was the same everywhere. But it turns out it could be much stranger than we'd imagined
We assume the Universe looks broadly the same no matter where you are or which way you look. A study is throwing that assumption into doubt.
When we look at the night sky, we're looking back in time. This is how far back we can see
The time it takes for light from objects in space to reach Earth means that when we look at planets, stars and galaxies, we're actually peering back in time.
Astronomers looked back in time and found a monster 5,000 times bigger than our Galaxy. And it's packed full of dark matter
Astronomers have found an enormous proto-supercluster 5,000 times bigger than our Galaxy
They say we're made of star stuff, but where does star stuff come from?
How did everything come from the deaths of stars?
5 facts about the Big Bang and the birth of the Universe that will blow your mind
Want to know more about the Big Bang? Here are some of our favourite FAQs concerning the beginning of the Universe.
White holes explained
We've all heard of black holes. But what about white holes? Could they really exist?
This is light from the birth of the Universe. It's called the Cosmic Microwave Background, and it's mind-boggling
A clearer picture of the early Universe is emerging thanks to studies of the Big Bang’s afterglow
We don't know why the Universe expansion is speeding up. Dark energy is the biggest mystery in science
Govert Schilling investigates dark matter, what we've learned about it, and what we might discover in the future.
The Universe is bigger than its age. How the speed of light makes time-travellers of stargazers
How is the Universe so big, and why does its size seem to be bigger than its age?
Astronomy explained | What is spacetime?
What is spacetime, and is time really all a matter of perspective?
We don't know why anything exists at all. Nine things we still can't explain about the Universe
Some of the cosmic mysteries eluding explanation.
What came before the Big Bang? These are the best theories we have about the origin of the cosmos
We explore the theories about one of the most mind-boggling questions about the Universe.
We asked an astronomer the biggest, trickiest questions about the Universe. These are his answers
We asked a radio astronomer to address some of the biggest unanswered questions about space and the Universe.
How old the Universe is, and how we know
How do astronomers estimate how old the Universe is, and could they be wrong?
Does the Universe expand faster than light?
Does the Universe's expansion violate Albert Einstein’s theory of relativity, which says that the speed of light is an absolute limit?
Scientists may have got the Universe completely wrong. Here's why
NASA just made a map of the entire sky that could tell us how the Universe began
21 coolest things in space
Our pick of some of the coolest things in space that we know of.
Scientists play God and build the Universe in a computer, with mind-blowing accuracy
Cosmologists can study the Universe by building computer simulations.
