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Astronomy
Dead whales inspire a way to find extraterrestrial life on Mars.
7mins
What astronaut Ron Garan saw in space changed his life forever – here’s what it taught him.
Leaving Hubble in the dust, JWST has officially seen a galaxy from just 320 million years after the Big Bang: at just 2.3% its current age.
The very dust that blocks our view of the distant, luminous objects in the Universe is responsible for our entire existence.
The most common element in the Universe, vital for forming new stars, is hydrogen. But there's a finite amount of it; what if we run out?
Compared to Earth, Mars is small, cold, dry, and lifeless. But 3.4 billion years ago, a killer asteroid caused a Martian megatsunami.
By studying the dwarf galaxy Wolf-Lundmark-Melotte ~3 million light-years away, JWST reveals the Universe's star-forming history firsthand.
The Universe is 13.8 billion years old, going back to the hot Big Bang. But was that truly the beginning, and is that truly its age?
We cannot afford to dream about living on other worlds while we continue to destroy ours.
From astrobiology to geology, a Moon base could serve as a laboratory unlike anything on Earth.
The image you're seeing isn't a hole in the Universe, and the cosmic voids that do exist aren't hole-like at all.
At 1,600 light years away, the black hole is practically in our cosmic backyard.
It's rare that one single image packs so much beauty and science simultaneously. This Hubble view of a nearby star-forming region has both.
Supermassive black holes at the centers of galaxies gobble up whatever matter ventures too close, becoming active. Here's how they work.
We're used to scientists telling us about the math and physics behind astronomical events. But what does studying space make us feel?
Astronomers have been looking for radio waves sent by a distant civilization for more than 60 years.
All across the Universe, planets come in a wide variety of sizes, masses, compositions, and temperatures. And most have rain and snow.
The ESA's Gaia mission just broke the record for closest black hole by over 1,000 light-years. Is there an even closer one out there?
Science is for everyone, even those possessing strongly held beliefs that seem to conflict with the best available evidence.
IceCube just found an active galaxy in the nearby Universe, 47 million light-years away, through its neutrino emissions: a cosmic first.
We know the Universe is expanding, but scientists don't agree on the rate. This is a legitimate problem.
The largest hazardous asteroid found in the last 8 years showcases a little-known class of planet-killers. And we're woefully unprepared.
In 1995, Hubble peered at the Pillars of Creation, forever changing our view. Now in 2022, JWST completes the star-forming puzzle.
The stars circle each other every 51 minutes, confirming a decades-old prediction.
Most exoplanets have been found around single stars via the transit method. But binary star systems might contain even more of them.
Early relics and late-time objects give incompatible results for the expanding Universe. This independent anomaly intensifies the problem.
The DART mission tested whether it's possible to deflect an asteroid by crashing something into it.
The Universe gravitates so that normal matter and General Relativity alone can't explain it. Here's why dark matter beats modified gravity.