It’s that time again. Time to look at a possible model to explain dark matter. In this case, a perennial favorite known as primordial black holes. Black holes have long been proposed as the source of dark matter. In many ways, they are the perfect candidate because they only interact with light and matter gravitationally. But stellar-mass black holes have been ruled out observationally. There simply aren’t enough of them to account for dark matter.
Space News & Blog Articles
30 years and $10 billion later, the James Webb Space Telescope is finally on the launch pad
NASA and the astronomy community have poured $10 billion and more than two decades into just one piece of machinery. Now they are facing the moment of truth.
NASA's James Webb Space Telescope won't hit Santa during Christmas launch
NASA is launching a huge observatory into space early Christmas morning (Dec. 25), but you don't need to worry about it hitting Santa Claus.
Video: Keith Parrish, Webb’s commissioning manager, talks through telescope deployments
Spaceflight Now’s Editor, Stephen Clark, speaks with NASA’s Keith Parrish, the commissioning manager for the Webb Space Telescope. It is his job to make sure the observatory unfolds and extends correctly. He talks us through the deployment sequence in the month after launch. Find out how shake, shimmy and twirl are in the ground controller’s tool box to fix anything that goes wrong.
James Webb Space Telescope: The scientific mysteries no other observatory could unravel
The James Webb Space Telescope is set to revolutionize our understanding of the universe, from the earliest stars and galaxies to the chemistry of exoplanets, asteroids and comets.
10 Christmas space facts that you probably didn't know
The holiday season and space might just be more closely connected than you thought. Check out this list of great Christmas space facts.
Track Santa as he delivers gifts around the world on Christmas Day
Track Santa as he proceeds with his annual Chrismtas present deliveries across the globe in a simulation by the North American Aerospace Defense Command (NORAD).
Nerves run high ahead of the James Webb Space Telescope launch this Saturday
Amid all the excitement, there is no shortage of nerves ahead of the launch of the world's most powerful telescope.
How a real NASA patch anchors Netflix's 'Don't Look Up' in reality
"You've got the patch there. In fact, I was observing a little Latin phrase at the bottom, what does that say?" "'Hic Servare Diem,' which means 'Here to save the day.'"
Red velvet Mars
Image: Red velvet Mars
This Week's Sky at a Glance, December 24 – January 1
Crescent Venus, ever thinner and lower in twilight, dives toward the Sun. Jupiter and Saturn bide their time. The bright winter constellations fill the east after dark. Mars and Antares pair up at dawn.
Webb on Ariane 5 poised for launch
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The James Webb Space Telescope is safely stowed inside the fairing of ESA’s Ariane 5 launch vehicle, which is now on the launch pad undergoing final checks and fuelling for a targeted liftoff at 12:20 GMT / 13:20 CET on 25 December from Europe's Spaceport in French Guiana.
'Star Trek: Discovery' Season 4, Episode 6 keeps the tempo up
So ... the USS Discovery is now a living, sentient starship?
Video: John Grunsfeld, astronaut and former NASA science chief, talks Webb
Spaceflight Now’s Stephen Clark speaks to astronaut, astronomer and former NASA science head, John Grunsfeld about the upcoming launch of the James Webb Space Telescope. What big discoveries is he expecting from JWST? Is he nervous about the complex process to unfold the telescope in space? Why did his efforts to prepare JWST for possible servicing fail?
Webb will take next leap in search for habitable worlds
Artist’s concept of the James Webb Space Telescope in its deployed configuration. Credit: ESA/ATG medialab
Beginning next year, the James Webb Space Telescope will scan a sampling of the nearly 5,000 alien worlds discovered around other stars to help astronomers identify which of the rocky planets might have atmospheres that could sustain life.
How to watch the Doctor Who Christmas Special 2021
'Eve of the Daleks' is the title for this year's special and it promises to be a Christmas cracker.
Nicolaus Copernicus biography: Facts & discoveries
Nicolaus Copernicus proposed his theory that the planets revolved around the sun in the 1500s, when most people believed that Earth was the center of the universe.
Webb telescope is a ‘time machine’ for astronomers to see the cosmic dawn
The James Webb Space Telescope inside Northrop Grumman’s factory in Redondo Beach, California. Credit: Northrop Grumman
The James Webb Space Telescope, set for launch in the coming days, will look back more than 13.5 billion years in time to see the faint infrared light from the first galaxies, revealing a previously unseen era of cosmic history that shaped the universe of today.
Comet Leonard shines amid aurora and meteor shower in stunning footage by Chinese spacecraft
Comet Leonard shines brightly in images captured by a small Chinese satellite on the backdrop of aurora and passing meteors.
This record-breaking black hole eruption could cover 16 full moons in the sky
Astronomers have captured a detailed image of a massive eruption from the nearest feeding supermassive black hole that spans the size of 16 full moons in the sky.
Axiom Space developing in-house spacesuits to prepare for future stations
Even as commercial spaceflight company Axiom Space prepares to launch the first fully private crew to the space station early next year, its engineers are also developing in-house spacesuits.