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 ScienceIs 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 MatterThe 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 …
UniverseWe 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. …
UniverseMystery 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 …
UniverseRipples 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 …
UniverseMystery 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 …
UniverseResearchers 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 MatterHow 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 …
UniverseGravity-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 …
UniverseCurious 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> …
UniverseThe 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 …
Universe20 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 …
UniversePeace 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 …
UniverseSupermassive 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 …
AstrophysicsForget 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 …
AstrophysicsA 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 …
AstronomyHubble 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 …
AstronomyFirst '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 MatterAliens, 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> …
UniverseImage 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 MatterImage 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 MatterWho 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 …
UniverseObjects 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> …
PhysicsCosmic 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 MatterNew 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 …
PhysicsAstronomers 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 …
AstronomyNeil 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