Latest articles by Kiona N. Smith
"You can probably easily build a multistory building on Mars with the material."
For a world to maintain an atmosphere long enough for life to gain a foothold, it seems it needs to be at least as big as Mars.
"While the site had previously been identified as an ancient impact crater, its exact age remained uncertain."
Earth may have gotten some of the key ingredients for life from asteroids in the inner solar system, but not without assistance from Jupiter.
"I think these are not far-out type of ideas; they are not really futuristic ideas that we are talking about."
New research suggests the moons of Jupiter and Uranus may hint that our planetary neighborhood once had a third ice giant.
There's a whole slew of objects that astronomers aren't sure whether to classify as "failed stars" or "overgrown planets."
An organic molecule called methanimine was found scattered throughout a dense clump of gas and dust 554 light-years away.
The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the inner solar system.
Space debris falling to Earth is a growing threat to aircraft, and experts are trying to reduce the risk.
In other words, the matter traveled at 20% the speed of light.
The giants might've been kicked out, left to live a rogue lifestyle.
A new study used the James Webb Space Telescope to study how our universe's first galaxies were.
Using the James Webb Space Telescope, scientists have found an extremely ancient galaxy piercing through a thick blanket of cosmic fog in the distant universe.
Big storms can strip some parts of Jupiter's atmosphere of ammonia, while leaving buried reservoirs of the gas elsewhere.
The building blocks of life on Earth may have been fueled by tiny sparks hopping between water droplets.
China's Mars rover discovered evidence of an ancient Red Planet beach. Here's why scientists are excited about this.
If we're looking for life as we don't know it, the best solvent out there may be concentrated sulfuric acid — the stuff that's floating around in the clouds of Venus.
Scientists measured a chorus wave emerging from an unexpected place, and confirmed a key piece of a theory about how these strange waves form.
When two giant planets collide, an even bigger world may be born.
The BepiColombo spacecraft has captured the 1st mid-infrared portrait of Mercury.
We may be racing against the clock to identify signs of life on Mars — and it's all because of cosmic rays.
A team of astronomers just spotted dozens of tiny asteroids in JWST date — including the smallest ever seen in the main belt between Mars and Jupiter.
