We don’t know what dark matter is. We do know the characteristics of dark matter, and much of how it behaves, so we know what physical properties dark matter must have, but no known matter has all the necessary characteristics of dark matter. So we’re stumped.
Space News & Blog Articles
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Canon RF 70-200mm f2.8L IS USM lens review
The Canon RF 70-200mm f2.8L IS USM is an incredibly compact telephoto zoom which delivers stunning handheld results for Canon’s mirrorless system.
Supercomputer Simulates What Happens When Meteors Strike the Atmosphere
In space, it’s almost always raining dust. Most of that dust is so small a microscope would have a hard time seeing it. Created by asteroid impacts, millions of these fine dust particles collide with Earth’s upper atmosphere every second. When they hit that atmosphere, they start a complex dance of plasmas and energy that can be difficult to see and understand.
NASA has merged two leadership offices into one big one to follow US space strategy
NASA announced Monday (Nov. 1) that it is adding several new leadership positions and merging two offices into a new one.
Hubble Science Instruments are Malfunctioning, Putting the Telescope in Safe Mode
Hubble is getting a bit long in the tooth. Initially launched in 1990, it has been one of the most spectacularly successful orbital satellites in history. But it has also had its fair share of errors, starting almost immediately upon its launch. Now the instruments on the telescope have been operating in a “safe mode” for more than a week, and it appears that they will remain so for at least another one.
Last call: fly your payload on first Ariane 6 launch
ESA offers an opportunity for payloads and experiments to ride on board the first flight of Ariane 6 planned in 2022. Notice of interest should reach ESA by 15 November.
Best zoom lenses
Check out our selection of the best zoom lenses, because astronomical photography isn’t just about wide-angle glass – a good, portable zoom can make a huge difference, too.
See how the huge ozone hole over Antarctica has grown in 2021 in this NASA video
A new NASA video highlights the giant ozone hole that opened over the Antarctic this year.
The Taurid meteor shower of 2021 is peaking now. Here's what to expect.
The annual Taurid meteor shower made of bits of the comet Encke is peaking Friday, Nov. 5.
Webb unboxed in cleanroom at Europe’s Spaceport
Video: 00:01:19
After its arrival at Pariacabo harbour in French Guiana on 12 October 2021, the James Webb Space Telescope was transported to Europe’s Spaceport and unboxed in the cleanroom. It is now being prepared for its launch on an Ariane 5 rocket in December.
Canon EOS 6D Mk2 review
Is the Canon EOS 6D Mk2 the perfect companion for enthusiast photographers looking to make their first break into the full-frame world?
Walruses spotted from space adapting to climate change
Groups of walruses gathering on land are so large they're visible from space. Unfortunately, the reason why doesn't bode well for the animals' future.
Astronomers detect water in one of the oldest known galaxies
Astronomers have detected traces of water in one of the oldest known galaxies proving for the first time that the life-giving substance played a role in the formation of the earliest stars.
Can a digital replica of Earth save the world from climate disaster?
A digital replica of Earth could help scientists better model the future of our planet and find solutions to problems wrought by climate change.
How NASA is building next-gen spacesuits for Artemis moon astronauts (video)
NASA's new moon explorers will have better mobility and a lighter load to lug than their Apollo ancestors.
Best compact binoculars 2021: Making the most of pocket-sized binos
The best compact binoculars are great for their portability, but limited in astronomy performance. Here, we’ve put together a list of some of the best to be found.
Earth from Space: Shetland Islands
The Shetland Islands, an archipelago in the Northern Isles of Scotland, are featured in this Copernicus Sentinel-2 image.
This Week's Sky at a Glance, November 5 – 13
In the evening sky the waxing Moon walks up past Venus, then Saturn and Jupiter day by day. And we're in the season of the Summer Triangle Effect.
Your ticket to space, with ‘Space Station Earth’
European dates for the ‘Space Station Earth’ immersive concert tour, have been announced this week.
