Solar Systems
Snapchat is walking back a friend-ranking feature after reports of teen anxiety
Snapchat's Solar System feature will now be off by default, though paid subscribers can turn it back on.
An overload of solar panels cut prices in half last year — but not in the US
"Prices in Europe have significantly cratered," one expert told Business Insider. "In the US, it's a different story."
A $6 billion bet on US-made solar panels is about to get a boost as Congress looks to take on China
Congress is about to enact major new industrial policy that includes tens of billions of dollars in tax breaks to US solar, wind, and battery makers.
Watch the moon get pounded by 1 billion years' worth of big asteroids in a 1-minute animation
The moon has taken a beating since it formed 4.5 billion years ago. A new study shows the past 290 million years have been especially brutal.
Astronomers caught a planet being born for the first time in a stunning new picture
Astronomers have taken the first confirmed picture of a newborn planet. The planet, called PDS 70b, is about 370 light-years from Earth and orbits a dwarf star. A series of images suggests the distant planet has a cloudy atmosphere and is 1,000 degrees Fahrenheit.
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Astronomers may have seen the first 'alien' space rock from beyond our solar system — but some have doubts
Some astronomers are questioning the alien origins of object A/2017 U1, which is thought to be an interstellar comet or asteroid.
An 'absolutely phenomenal' discovery hints 4 Earth-size planets may orbit the closest sun to our own
Two of the worlds may orbit inside Tau Ceti's "habitable zone," where water can be liquid.
The terrifying way our universe will end — and when
Don't get too attached.
Pluto may be a planet again if these astronomers get their way — and Earth's moon, too
The dwarf planet's demoted status may soon come to an end.
Astronomers have found 7 Earth-size planets circling a dwarf star — and they might harbor life
TRAPPIST-1, an ultra-cool red dwarf star, may be humanity's "crucial step toward finding life out there."
Astronomers have filmed 4 planets orbiting an alien solar system
It took 7 years to make the incredible movie, and it seems that some of the exoplanets are at risk of getting flung out into space.
Astronomers have found 'intriguing' shadows in new photos of alien solar systems
Using one of the most powerful telescopes in the world, astronomers have taken incredibly detailed photos of planets forming in distant young solar systems.
Outer space exploration helps us better study our own planet's climate change
But space exploration could also hold clues to questions that have only struck us in recent decades.
Astronomers think the sun stole this planet from another star
A billion-year-old crime.
Dying stars could transform frozen planets into habitable worlds
Our search for aliens just got a whole lot more hopeful.
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These bizarre floating solar panels are solving 3 critical problems
Solar power takes a lot of land, after all.
Something magical is happening with renewable energy in India
Local entrepreneurs are embracing solar energy faster than the government is expanding the electricity grid.
This 'crazy' idea might radically speed up the search for intelligent alien life
Astronomers have identified a narrow strip of sky that will provide our best chance of finding aliens — and vice-versa.
The largest solar system ever discovered has a planet that's 140 times farther than Pluto
Planet 2MASS J2126-8140 orbits a trillion kilometers out from its sun.