The secret of comet 3I/ATLAS: a galactic fossil older than the Sun
Comet 3I/ATLAS astonishes science: it is 12.000 billion years old and has a unique chemistry. Where did this brilliant interstellar fossil come from?
Cosmos
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China expands its presence in space with the Shenzhou-23 mission
China launches Shenzhou-23 with Hong Kong's first astronaut and a historic year-long stay in space. Get the details!
This is the largest 3D map of the universe and what it reveals about dark energy
The largest 3D map of the universe reveals disturbing clues about dark energy and could change what we know about the fate of the cosmos.
DESI completes the largest 3D map of the universe ever made
How DESI has created the largest 3D map of the universe, what it reveals about dark energy, and what role Spain and Europe play in this key project.
First direct trace of dark matter? The signal that intrigues astrophysicists
An analysis by the Fermi telescope finds a 20 GeV signal that could be the first direct trace of dark matter, although it still requires confirmation.
Do we live in a black hole? Theories, evidence, and interesting facts
What if the universe was born inside a black hole? James Webb reopens the debate. Theories, data, and key insights explained clearly.
Gravitational waves: new evidence on black holes
LIGO-Virgo-KAGRA fine-tune the mass, spin, and recoil of black holes. Keys to the "buzz" and what's next with more sensitive detectors.
The theory of time in three dimensions: changing our view of the universe
Discover how the theory of three-dimensional time can transform physics and unify the laws of the universe.
How do black holes form?
Discover how black holes form, from stellar collapse to the complexities of quantum radiation. Learn more about the cosmos
geocentric theory
The geocentric theory is an astronomical theory that places the Earth as the center of the universe, while the stars revolve around it.