Today, the star-formation rate across the Universe is a mere trickle: just 3% of what it was at its peak. Here’s what it was like back then.
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In 2017, a kilonova sent light and gravitational waves across the Universe. Here on Earth, there was a 1.7 second signal arrival delay. Why?
If humanity lives in an otherwise barren Universe, we’ll have to forge philosophy that fills the void.
As early as we’ve been able to identify them, the youngest galaxies seem to have large supermassive black holes. Here’s how they were made.
The far side of the Moon is incredibly different from the Earth-facing side. 63 years later, we know why the Moon’s faces are not alike.
A newly discovered “ultrahot Jupiter” has the shortest orbit of any known gas giant.
When three wise men gifted baby Jesus with gold, frankincense, and myrrh, they had no idea one was made from colliding neutron stars.
Atomic nuclei form in minutes. Atoms form in hundreds of thousands of years. But the “dark ages” rule thereafter, until stars finally form.
A new study proposes that Hawking radiation could be used to find dark matter in places like primordial black holes.
Scientists are notoriously resistant to new ideas. Are they falling prey to groupthink? Or are our current theories just that successful?
The stars circle each other every 51 minutes, confirming a decades-old prediction.
UAP are no laughing matter anymore.
The universe is filled with unlikely events, but is also full of ways to fool ourselves.
Before we formed stars, atoms, elements, or even got rid of our antimatter, the Big Bang made neutrinos. And we finally found them.
The “first cause” problem may forever remain unsolved, as it doesn’t fit with the way we do science.
At four million solar masses, the Milky Way’s supermassive black hole is quite small for a galaxy its size. Did we lose the original?
Achieving values and pursuing growth is the real secret to a fulfilled life.
At 35 light-years away, it’s also the 2nd coolest, 2nd widest planet ever found. Despite discovering more than 4000 exoplanets, most remain obscure. Although more than 4,000 confirmed exoplanets are known, […]
Everything we observe beyond our Local Group is speeding away from us, omnidirectionally. If the Universe is expanding, where is the center?
When what we predict and what we measure don’t add up, that’s a sign there’s something new to learn. Could it be a new fundamental force?
Look out at a distant object, and you’re not seeing it as it is today. It’s size, brightness, and actual distance are all different.
We should all pause to appreciate the awe-inspiring beauty of the Universe.
Shooting star or piece of space dust?
A conversation with an advanced alien species is likely to be simple and to take 1,000 years. It might also be dangerous.
The Earth that exists today wasn’t formed simultaneously with the Sun and the other planets. In some ways, we’re quite a latecomer.
Both made monumental contributions that were far ahead of their time. It’s hard to believe, but the idea that the Universe was dominated not by normal matter but rather by dark […]
For the past 150+ years, the big ones have all missed us. But at some point, our good luck will run out.
We are traveling in a realm that once exclusively belonged to the gods. Space travel will force humanity to rethink everything.
Jupiter’s atmosphere is hotter than it should be, and now we know why.