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Universe

TRAPPIST-1 is Older Than Our Solar System

This illustration shows what the TRAPPIST-1 system might look like from a vantage point near planet TRAPPIST-1f (at right). Credits: NASA/JPL-Caltech

TRAPPIST-1 is Older Than Our Solar System

TRAPPIST-1 is Older Than Our Solar System If we want to know more about whether life could survive on a planet outside our solar system, it’s important to know the age of its star. Young stars have frequent releases of high-energy radiation called flares that […]

What a new map of the universe tells us about dark matter

Part of the new map of dark matter made from gravitational lensing measurements of 26 million galaxies in the Dark Energy Survey. Chihway Chang/University of Chicago/DES collaboration, Author provided

What a new map of the universe tells us about dark matter

What a new map of the universe tells us about dark matter Part of the new map of dark matter made from gravitational lensing measurements of 26 million galaxies in the Dark Energy Survey. Chihway Chang/University of Chicago/DES collaboration, Author provided Tamara Davis, The University […]

Booze in space: how the universe is absolutely drowning in the hard stuff

Mine’s a Star-opramen. Studioloks

Booze in space: how the universe is absolutely drowning in the hard stuff

Booze in space: how the universe is absolutely drowning in the hard stuff Mine’s a Star-opramen. Studioloks Alexander MacKinnon, University of Glasgow A cold beer on a hot day or a whisky nightcap beside a coal fire. A well earned glass can loosen your thinking […]

Curious Kids: what started the Big Bang?

In the beginning, the Universe expanded very, very fast. Flickr/Jamie, CC BY-SA

Curious Kids: what started the Big Bang?

Curious Kids: what started the Big Bang? In the beginning, the Universe expanded very, very fast. Flickr/Jamie, CC BY-SA Steven Tingay, Curtin University This is an article from Curious Kids, a series for children. The Conversation is asking kids to send in questions they’d like […]

Life may be a guide to the evolution of the cosmos – here’s how

Could humans create new universes when we are intelligent enough_ Greg/Goodfreephotos

Life may be a guide to the evolution of the cosmos – here’s how

Life may be a guide to the evolution of the cosmos – here’s how Could humans create new universes when we are intelligent enough_ Greg/Goodfreephotos Michael E. Price, Brunel University London Does humanity exist to serve some ultimate, transcendent purpose? Conventional scientific wisdom says no. […]

Can we ditch dark energy by better understanding general relativity?

Simulated universe: EAGLE collaboration, J Schaye et al 2015. MNRAS, CC BY-SA

Can we ditch dark energy by better understanding general relativity?

Can we ditch dark energy by better understanding general relativity? Simulated universe: EAGLE collaboration, J Schaye et al 2015. MNRAS, CC BY-SA David Wiltshire and Alan Coley, Dalhousie University A renewed suggestion that dark energy may not be real — dispensing with 70% of the […]

Could cold spot in the sky be a bruise from a collision with a parallel universe?

A change in the density of galaxies can’t explain a cold spot in the sky. NASA and the European Space Agency. Edited by Noodle snacks

Could cold spot in the sky be a bruise from a collision with a parallel universe?

Could cold spot in the sky be a bruise from a collision with a parallel universe? A change in the density of galaxies can’t explain a cold spot in the sky. NASA and the European Space Agency. Edited by Noodle snacks Ivan Baldry, Liverpool John […]

The largest virtual Universe ever simulated.

The Cosmic Web: A section of the virtual universe, a billion light years across, showing how dark matter is distributed in space, with dark matter halos the yellow clumps, interconnected by dark filaments. Cosmic void, shown as the white areas, are the lowest density regions in the Universe. (Image: Joachim Stadel, UZH)

The largest virtual Universe ever simulated.

The largest virtual Universe ever simulated. Researchers from the University of Zurich have simulated the formation of our entire Universe with a large supercomputer. A gigantic catalogue of about 25 billion virtual galaxies has been generated from 2 trillion digital particles. This catalogue is being […]