It’s much more complex a question than dividing its mass by the volume of the event horizon. If you want to get a meaningful answer, you have to go deep. If […]
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Light cannot escape from a black hole, no matter what. But when two black holes merge? They just might. On September 14, 2015, history was made as the NSF’s twin LIGO […]
It’s often said that every element was made in a star, but there’s more to it than that.
Not only can’t astronomers and planetary scientists agree, but the IAU made it worse for everyone. If you were alive in 2006, you likely remember a momentous event in astronomy: […]
The highest-energy particles on Earth reach enormous energies, but it’s nothing compared to what the Universe can achieve. Deep underground in Europe, the world’s most powerful particle accelerator lives in a […]
Research explains the positive impact and health benefits of children spending more time in nature.
A new computer model solves a pair of Jovian riddles.
As this map of Bouguer’s gravity anomaly shows, the pull of the earth varies considerably by region.
There’s some amazing science happening at the South Pole, but some very grandiose claims being made. What’s actually going on? For some of us, the idea of parallel Universes spark our […]
Two of our biggest science-fiction dreams might not remain fiction for much longer. Here’s how 21st-century science could make it real. For as long as human beings have looked up at […]
There’s a boundary to how far back we can observe everything that exists. Despite everything we’ve learned about our Universe, there are many existential questions that remain unanswered. We don’t know […]
There’s a lot we can do with current technology to help stem the tide of climate change, but future technology may help even more.
The NICER experiment, designed to measure neutron stars as never before, just released their first pulsar map, and it’s amazing. After typical supernovae, remnant collapsed cores of matter are left behind. […]
Hubble captures the afterglow of an epochal blast.
Is that required for detectors like LIGO and Virgo to work? Whenever any two things in the Universe interact at the same location in spacetime, one thing always remains true about […]
It’s the largest, most massive planet in the Solar System. But what’s the real story behind all the impacts on Jupiter? One of the most terrifying prospects here on Earth is […]
If a star spins and then collapses, what happens to its angular momentum? The most common way to form a black hole in the Universe is to have a massive […]
Earth wasn’t the only potentially habitable planet in the early Solar System. What happened to Mars? If you could travel back in time to the early stages of the Solar System, […]
This mystery comes in two varieties: repeating and non-repeating. Here’s what we know so far. Imagine that you were looking out at the distant Universe, watching the stars, galaxies, and the […]
Repeating lies makes people believe they are true, show studies.
Rather than scrubbing the emissions from fossil fuel plants, a new analysis suggests we should simply replace those power plants with renewable alternatives.
Three scientists publish a paper proving that Mercury, not Venus, is the closest planet to Earth.
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An elegant, 400-year-old means of navigating the stars takes flight.
Templeton Prize winner Marcelo Gleiser on knowledge, the endless frontier.
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This exoplanet is 10 times hotter than any world we measured and shaped like a football.
Even if we don’t destroy ourselves, we always have the Universe to contend with. Wiping out all life on Earth is hard, but causing mass extinctions is easy. The 1991 eruption […]
With the realization that overdue charges disproportionately affect access for low-income readers, libraries are reconsidering the value of fees.