A famous thought experiment from the 1970s is more relevant today than ever before.
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A new study found the possible reason why some dwarf galaxies appear to not have dark matter.
A mission is planned for just three weeks from now, but NASA has a plan.
Some scientists believe the lightning-produced frequencies may be connected to our brain waves, meditation, and hypnosis.
In 2011, a bizarre, green object was discovered. At long last, we finally understand why. One of astronomy’s biggest surprises came in 2007, when a mysterious green object was found. […]
The largest moon around our last planet didn’t originate with Neptune. When it comes to the moons of our Solar System, there’s only one planet that doesn’t fit in with our […]
The universe is only 13.8 billion years old, but we can see back 46.1 billion light-years. Here’s how the expanding universe does it.
In both visible light and infrared, we get a preview of the spectacular advances that await the James Webb Space Telescope. What astronomers see isn’t just determined by the telescope […]
A NASA-sponsored competition asks participants to improve the design of a bucket drum for moon excavation.
Our ultimate fate depends on something we’ve barely begun to measure. One of the biggest mysteries in all of physics is dark energy. According to our best observations, the Universe cannot […]
Here’s a look at the space agency’s astronaut candidate requirements.
You can lead an overconfident chatbot to expert knowledge, but can it actually learn and assimilate new information?
Everything else in the universe is either a particle or field. Dark energy behaves as neither, and it may be a property inherent to space itself.
See the most detailed survey of the southern sky ever carried out using radio waves.
A warming Arctic Circle could be responsible for bursts of cold weather in the south.
The Sun produces a wide variety of particles and radiation throughout it, but all of its neutrinos are produced in the core: where nuclear reactions take place. The various reactions […]
Want some crazy space phenomena? You don’t have to leave the neighborhood for it.
A new study discovers how blazars shoot out jets of radiation towards Earth.
A generation ago, NASA launched their great observatories to explore the Universe. It’s time for round 2. Throughout the history of astronomy, every advance we’ve ever made has come about because […]
Astronomers spot an object heading into Earth orbit.
It could evolve, strengthen, decay, or not be alone. Our known Universe contains matter, radiation, and dark energy. While matter (both normal and dark) and radiation become less dense as […]
Spirals, ellipticals, and irregulars are all more common than ring galaxies. At last, we know how these ultra-rare objects are made.
If we’re migrating slowly away, is our speed changing, too? Every year, planet Earth completes one revolution around the Sun while spinning on its axis. On a year-to-year basis, our […]
In order, they go: hydrogen, helium, oxygen, carbon, neon, nitrogen, magnesium, silicon, iron, sulfur. Here’s how we made them. Everything found on planet Earth is composed of the same ingredients: atoms. […]
The natural wonders of Mauritius include the spectacular sight of an underwater waterfall. Here’s the science of how it works.
Move over, Tattooine, and instead feast your eyes on GW Orionis.
In 2006, the IAU demoted Pluto. Here’s what we know today. In 2006, the last planet in our Solar System suffered an unforgettable insult, as Pluto — known for generations as our ninth […]
We just found a system that we can’t explain. Here’s what’s going on. One of the most fascinating facts about the Universe is that there’s so much of it out there. […]
Maybe 100% of stars don’t have planets, after all. When stars form in the Universe, they’re created in giant bursts. A stellar nursery in the Large Magellanic Cloud, a satellite galaxy […]