dark energy
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A New Map Gives Clues About What Dark Matter Is, But Deepens Dispute About the Cosmic Expansion Rate
Dark energy is one of the greatest mysteries in science today. We know very little about it, other than it is invisible, it fills the whole universe, and it pushes galaxies away from each other. This is making our cosmos expand at an accelerated rate. But what is it? One of the simplest explanations is…
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A New Experiment Narrows Potential Properties Of Dark Energy Particle
An experiment in the United Kingdom has failed to find evidence of a particle meant to explain most of the universe’s mass. But the search isn’t over.
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How The Universe Ends
Somewhere between a second and a millennium from now, you will die. Your body and all of its parts will cease functioning and rejoin the Earth as regular, lifeless stuff. The Earth, too, will die, engulfed by an expanding, ageing Sun. The Sun will burn off all of its fuel and end up a white…
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Trump’s Budget Would Scrap Top-Priority Telescope
US President Donald Trump’s 2019 budget request would nix the Wide Field Infrared Survey Telescope (WFIRST), and scientists aren’t happy.