Deep-sky objects may appear static throughout our lifetime but by carefully "blinking" archival and current images we can discern real changes in their appearance.
Space News & Blog Articles
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Save the galaxy – and a few credits – with these Star Wars board game deals in the Prime Day sale
Bring balance to the force without emptying your bank balance with these Star Wars board game deals including Imperial Assault and Rebellion.
We love the Celestron Skymaster 25x100 — and it is half-price for one day only!
Here are some of the best binoculars for stargazing — so impressive it feels like you're looking through two telescopes simultaneously!
This powerful Celestron telescope is 40% off in the Prime Day sales
A fantastic telescope for beginners who are serious about getting into astronomy, we love the Celestron AstroMaster 130EQ, now $209.30 at Amazon
Wind Direction on Mars Changed Abruptly About 400,000 Years Ago
Human-driven climate change is a serious threat to humanity. While climatologists continue to improve our understanding of its impact and consequences, they also look at nature-driven climate change going back millions of years. Whereas for human climate change, we only have a case study of one planet, for natural climate change we have a case study of two planets. Like Earth, Mars has undergone significant climate change in the past. We know, for example, that young Mars was both warm and wet. Its climate changed over a billion years to become the cold and dry world we know today. Even more recently, there have been shifts in the Martian weather, as noted in a recent study in Nature.
Metal clouds turn scorching hot exoplanet into the universe's largest mirror
The CHEOPS exoplanet hunter has found a distant world so hot that it has clouds of metal making it the most reflective planet ever seen.
I test cameras for a living — this is the Prime Day camera deal I recommend
Named as the best camera overall and one of the best cameras for astrophotography in our guides this mirrorless just got even more incredible, with over $200 off.
Save $500 on Prime Day's lowest-ever Canon EOS R5 camera deal
We rated this camera extremely highly in our review and named it one of the best cameras — and now the price has dropped by $500 for Amazon Prime Day!
Go beyond Prime Day and save $200 on this HP Reverb G2 VR headset in HP's 'Black Friday in July' deals
Want to voyage into the wonderful world of VR gaming? Then grab this HP Reverb G2 VR headset, now just $399.
Exotic 'stripped stars' may be missing link on path to powerful kilonova explosions
Astronomers have found a missing link in the evolution from stars in binary systems to colliding neutron stars, in the form of stripped, intermediate-mass 'helium stars.'
These Celestron SkyMaster binoculars are less than half price in the Prime Day deals
Get stargazing for less — the Celestron SkyMaster 20x80 binoculars are perfect for skywatching and now 54% off for Amazon Prime Day
Take the high ground with these Black Series Star Wars lightsaber deals during Amazon Prime Day
At up to 36% off, these Black Series Star Wars lightsabers are fit for any Jedi... or Sith – we're not judging you.
We think this portable USB star projector is a steal for $10 on Prime Day
A bargain space gift this Amazon Prime Day, this laser star projector is now just $10, ideal for parties or as a night light — we know because we have one.
The moon and Jupiter shine near Uranus tonight. Here's how to see them.
On Wednesday (July 12), the waning crescent moon will have a busy morning, first meeting up with the gas giant Jupiter before getting the cold shoulder from ice giant Uranus.
One of the best voice-controlled star projectors: Now under $30!
Pick up the BlissLights Sky Lite Evolve for less than $30 to transform your space with stars and pastel colors.
Create your own home planetarium for less — save 20% on one of the best star projectors
Grab this Prime Day star projector deal for 20% off the regular price and transform your home into a mini home planetarium or simply use it as an ambient night light.
Stunning solar tornado swings into space above the glowing sun (video)
A new video shows off the sun's incredible power. A 'solar tornado' erupted from the surface in April, and you can watch it in 4K resolution.
Take to the skies for less with $180 off this DJI Mini 3 Pro drone in the Amazon Prime Day deals
We adored the DJI Mini 3 Pro when we tested it, and now it's $180 off in the Prime Day drone deals.
Stellar Saving! Sony FE 24-70mm f/2.8 GM lens now $585 cheaper
A fantastic astrophotography lens, this sharp, fast zoom is now almost a third off in this Amazon Prime Day deal.
One of our favorite Anycubic 3D printers is a massive 57% off in the Prime Day deals
The Anycubic Photon Mono X2, one of our favorite 3D printers, is down to its lowest ever price in the Prime Day sales.
Lowest-price — Sony A7 III is $500 off this Amazon Prime Day
We rate the Sony A7 III as one of the best cameras for astrophotography and now it's $500 at its lowest-ever price this Amazon Prime Day.
