By Mark Kaufman
Since the first Earth Day, the planet’s CO2 levels have gone off the rails
"Scary times ahead."
By Mark Kaufman
What Earth was like last time CO2 levels were so crazily high
"We’re on our way to the Pliocene."
By Mark Kaufman
The first images of Earth are chilling
"There seems to be an irresistible tendency to look back at home."
By Mark Kaufman
Speeding NASA spacecraft snaps photos of the most mysterious asteroids around
It's headed to a never-visited realm.
By Mark Kaufman
NASA released wild footage of Mars helicopter flying over an alien desert
An extraterrestrial flight.
By Mark Kaufman
Webb telescope flexes its muscle with this deep, deep view into space
Galaxies, galaxies, and more galaxies.
By Mark Kaufman
Amazing creature found 27,000 feet under the sea. Here's how it survives.
It has two sets of jaws.
By Mark Kaufman
Webb telescope just found the most ancient galaxies anyone's ever seen
An extraordinary achievement.
By Mark Kaufman
Radio signals keep coming from deep space. Here's what they really are.
Aliens? It's, once again, never aliens.
By Mark Kaufman
Stunning Webb telescope photo shows actual bending of spacetime
The universe is awfully psychedelic.
By Mark Kaufman
There's a black hole pointed at Earth. You're not in danger.
This might sound scary, but it's not.
By Mark Kaufman
Colossal space explosion is the most powerful humans have ever seen
Scientists might not spot something like this for 10,000 years.
By Mark Kaufman
Bad fungus is spreading in hospitals at an 'alarming rate.' What to know.
The CDC is taking this fungal infection seriously.
By Mark Kaufman
Mystery of spaceship-shaped object has been solved, scientists say
Astronomers found it in 2017. It's speeding up.
By Mark Kaufman
Earth's water came from super deep space, and it's older than you can imagine
The cosmos is teeming with water.
By Mark Kaufman
NASA spacecraft beams back tantalizing images of volcanic world Io
On this wild Jupiter moon, magma constantly erupts onto the surface.
By Mark Kaufman
Why the scary fungus in 'The Last of Us' won't cause an apocalyptic outbreak
Fact and fiction about serious human fungal infections.
By Mark Kaufman
How worried should we be about Solar Flares?
"It's not like a big solar flare is going to knock everyone out tomorrow."
By Mark Stetson and Mark Kaufman
Solar flares are happening a lot more. How you'll know if one's a problem.
"It's the space equivalent of hurricane season."
By Mark Kaufman
Ancient astronomers saw a star explode. Scientists just captured the aftermath.
1,800 years ago, people spotted a mysterious burst in the sky.
By Mark Kaufman
A black hole is quickly destroying a cloud of gas. Here's why.
This violent event is happening right now in the Milky Way
By Mark Stetson and Mark Kaufman
A black hole is destroying this object. Scientists are watching its last days.
You, too, can see a violent event in the Milky Way.
By Mark Kaufman
