There could have been life on Mars in the past, but that’s only the beginning of the story. For as long as humanity has been watching the skies, we’ve been fascinated […]
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A decade ago, we didn’t know if dwarf galaxies had black holes. Today, half of the ones we see aren’t where we expected. Normally, galaxies have supermassive black holes millions […]
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 […]
Almost certainly not. Here’s the science of why. The Universe, as we know it, simply doesn’t add up. On the one hand, we can look out on a cosmic scale and […]
There was less than a 2 second delay between gravitational waves and light, but that’s incredibly meaningful. There’s an important rule in relativity that — as far as we know — all objects must […]
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.
As this map of Bouguer’s gravity anomaly shows, the pull of the earth varies considerably by region.
Hubble captures the afterglow of an epochal blast.
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 […]
When two black holes that shouldn’t exist are seen merging, physics has some explaining to do. After years of searching for gravitational waves, it finally happened: LIGO bagged the biggest one […]
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, […]
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 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 […]
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 […]
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. […]
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.
Three scientists publish a paper proving that Mercury, not Venus, is the closest planet to Earth.
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Repeating lies makes people believe they are true, show studies.
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 […]
If you photograph the Sun at the same time every day, you get a bizarre figure-8 shape: an analemma. Here’s why. At any time of day, you could theoretically set up […]
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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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 […]
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 […]
This exoplanet is 10 times hotter than any world we measured and shaped like a football.
Rather than scrubbing the emissions from fossil fuel plants, a new analysis suggests we should simply replace those power plants with renewable alternatives.