Cosmology

Inside inflation: after the big bang

MASSACHUSETTS, 1981. A young physicist comes up with what seems to be an absurd idea: the universe went through a period of ultra-fast expansion just …

Space Science

Is Inflationary Cosmology Science?

[tl;dr: Check out this article in <i>Scientific American</i> by Iljjas, Steinhardt, and Loeb suggesting that inflation isn’t science; this response by Guth, …

Shining a Light on Dark Matter Halos

Since the 1970’s dark matter and all that comes with it has remained a mystery for scientists. We know it’s there, but proving it has always been …

Dark Matter

The Origin of the Universe

After the cosmic inflation ended, the expansion began to slow and the primordial plasma of radiation and high-energy sub-atomic particles began to …

Universe

We May Have Uncovered the First Ever Evidence of the Multiverse

Too Cold<p>For years, scientists have been baffled by a weird anomaly far away in space: a mysterious “Cold Spot” about 1.8 billion light-years across. …

Universe

Mystery of the universe's Cold Spot deepens – it's not a supervoid

A huge cold region of the universe spanning billions of light years is not a blank patch mostly empty of galaxies, astrophysicists have …

Universe

Ripples in the Cosmic Web

The far-flung corners of intergalactic space are lonely places, barren of much else but atoms. In these vast expanses between the galaxies, only …

Universe

Mystery of the universe's Cold Spot deepens – it's not a supervoid

A huge cold region of the universe spanning billions of light years is not a blank patch mostly empty of galaxies, astrophysicists have …

Universe

Researchers have captured the first images of a Dark Matter web

WHY THIS MATTERS IN BRIEF<p>Dark matter makes up 25% of the known, and unknown, universe but very little is known about it, however bit by bit it’s …

Dark Matter

How We Know the Universe Is Expanding, and Accelerating

Not only is the universe expanding, that expansion is accelerating. How is that possible?<p>The universe is expanding. Everything in the universe is slowly moving farther away from everything else. Even the molecules in your body are drifting away from one another, although too slowly to measure.<p>This …

Universe

Gravity-lensed supernova magnifies understanding of universe

Using an automated supernova-hunting "pipeline," scientists at Lawrence Berkeley National Laboratory (Berkeley Lab) have identified a Type Ia …

Universe

Curious Kids: Does space go on forever?

<i>This is an article from Curious Kids, a new series aimed at children. The Conversation is asking kids to send in questions they’d like an expert to</i> …

Universe

The Doppler Effect

You're probably familiar with the sound of a siren (or a car horn, or a rumbling semi truck) as it approaches and then passes you. The sound starts …

Universe

20 of the best Earth and space documentaries to watch on Netflix in 2017

Humans have been gazing up at the stars since before the dawn of civilization. We intrinsically seek to know the unknowable and discover the …

Universe

Peace on Earth: A Cosmic Perspective

Why many leading peace advocates have been scientists<p>Throughout history, some of the most active advocates for peace have been scientists. Albert …

Universe

Supermassive Black Holes Suggest We May Be Very Wrong About How Our Universe Formed

Riddled with Holes<p>The universe can be thought of as one big, continuously expanding space. An interesting theory about this expansion assumes that …

Astrophysics

Forget black holes, WHITE HOLES are weirder and 'SPEWING matter from another universe'

GETTYAre white holes an undiscovered mystery?<p>What scientists do know about black holes is that they are a point in space where the gravity is so …

Astrophysics

A New Angle on Two Spiral Galaxies for Hubble’s 27th Birthday

<b>HUBBLE TRIVIA 2017</b><p>Launched on April 24, 1990, NASA's Hubble Space Telescope has made more than 1.3 million observations of more than 42,000 celestial …

Astronomy

Hubble observes first multiple images of explosive distance indicator - Lensed supernova will give insight into the expansion of the Universe

heic1710 — Science Release<p>Hubble observes first multiple images of explosive distance indicator<p>Lensed supernova will give insight into the expansion …

Astronomy

First 'Image' of the Dark Matter That Holds the Universe Together

For decades, scientists have tracked hints of a thread-like structure that ties together galaxies across the universe. Theories, computer models, and …

Dark Matter

Aliens, Very Strange Universes and Brexit — Martin Rees Q&A

<i>This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed &</i> …

Universe

Image Confirms Invisible Dark Matter Connects Galaxies In The Universe

Researchers from the University of Waterloo claim to have captured the first composite image of something that astronomers have long believed to …

Dark Matter

Image Confirms Invisible Dark Matter Connects Galaxies In The Universe

Researchers from the University of Waterloo claim to have captured the first composite image of something that astronomers have long believed to …

Dark Matter

Who needs dark energy?

Dark energy is thought to be the driver for the expansion of the universe. But do we need dark energy to account for an expanding universe?<p>Our …

Universe

Objects Are Gaining Mass As The Universe Is Ageing

<i>“Mass of objects are increasing, I, you, he or any other object we see, is gaining its mass and the universe is becoming more massive as it is</i> …

Physics

Cosmic web of 'dark matter bridges' link galaxies across the universe

First image of 'bridge' captured by Canadian astrophysicists.<p>Renaissance man Leonardo da Vinci once remarked: "Realize that everything connects to …

Dark Matter

2016 Isaac Asimov Memorial Debate: Is the Universe a Simulation?

American Museum of Natural History

New Research Challenges What We Thought We Knew About the Big Bang

Gravity and Electromagnetism<p>New research from physicists at Louisiana State University (LSU) and Universidad de Valencia, Spain, may offer the answer …

Physics

Astronomers detect distant galaxy at the edge of the known universe, 13.1 billion years in the past

Astronomers have discovered a faint, incredibly distant galaxy, about 13.1 billion years in the past, just about 700 million years after the Big …

Astronomy

Neil deGrasse Tyson gave Beyoncé’s twins some cosmically cool names

Our favorite hip astrophysicist just dropped some more knowledge on us, and as usual, this is something we <i>really</i> need to hear. On Tuesday, Neil …

Neil deGrasse Tyson