PHOTO GALLERIES
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ASTRONOMY
Could the universe be a living thing? Here's what scientists think
It sounds like science fiction, but a few researchers are asking the question seriously.
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ASTRONOMY
Why is the night sky dark if the universe is full of stars? Neil deGrasse Tyson explains
If stars are everywhere, shouldn’t the entire sky be glowing? Neil deGrasse Tyson explains the answer.
The 2026 total solar eclipse in photos: Best shots of the historic event from August 12
The total solar eclipse on August 12, 2026, was the first eclipse of its kind to be visible from mainland Europe since 1999. Spain, in particular, hadn't witnessed such an eclipse since 1905.
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SKYWATCHING
NASA's Nancy Grace Roman Space Telescope is in space now: See stunning pics from its launch
The most advanced space telescope ever launched is set to uncover some of the age-old mysteries of the universe. After the lift-off on August 30, 2026, the Nancy Grace Roman Space Telescope is enroute to the second Sun-Earth Lagrange point (L2), about 932,000 miles (1.5 million kilometers) from our planet.
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SPACEFLIGHT
Artemis II astronauts receive America's highest space honor from President Trump
Artemis II made history by traveling 252,756 miles from Earth, the farthest humans have ever gone.
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ASTRONOMY
A 'missile' and a 'gun' on Mars: Did the Red Planet witness an ancient alien war?
Did NASA send rovers to Mars to look for alien weapons? A UFO enthusiast certainly thinks so.
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ASTRONOMY
Did our universe begin inside a black hole? New study questions the Big Bang
A wild new theory says space, time, and matter may have burst out of a giant black hole.
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ASTRONOMY
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ASTRONOMY
The universe, not the brain, may be responsible for consciousness: What Christof Koch’s radical idea says
We can track brain activity during emotions, but we still don’t know why those feelings exist.
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ASTRONOMY
An invisible world is all around you—but only a few can see it, study claims
Scientists say a rare ability could let you see the world in ways other people can't. Here's how
The truth behind the 'doorway' spotted on Mars, according to NASA
It may look exactly like a ‘door’. But here's what NASA and scientists actually found.
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ASTRONOMY
Why haven't aliens contacted us yet? NASA scientist thinks they might've gotten bored
A NASA scientist entertains the possibility that aliens might not be as technologically advanced as we think.
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DEEP SKY OBJECTS
The moon could get its first residents by the 2030s; here's what Elon Musk, Jeff Bezos, and Sam Altman are saying
Robots might build it, but humans may be the ones who keep it running. Here’s how.
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ASTRONOMY
Could we save Earth when the Sun dies? A scientist says there could be a way
Life on Earth is staring at extinction when the Sun turns red giant a billion years from now, but a scientist believes we can save the Blue Planet, as well as our solar system.
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ASTRONOMY
Top cosmic mysteries NASA’s powerful new Nancy Grace Roman Space Telescope could solve
NASA’s brand new Nancy Grace Roman Space Telescope is scheduled to launch on August 30 and following are the top mysteries it could help solve.
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ASTRONOMY
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ASTRONOMY
What if the universe isn’t actually speeding up? Oxford physicist offers a new explanation
A new study says the universe's "acceleration" might be an illusion. Here’s how.
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ASTRONOMY
Manhattan on Mars? UFO researcher claims the Red Planet had an ancient city
UFO researcher and History Channel regular Jason Martell thinks that strange-looking features in the Cydonia region of Mars are remnants of an old city.
Strange ‘jellyfish’ object spotted on Mars in NASA’s Curiosity image. Is it a UFO?
The bizarre shape has raised questions about what Curiosity actually captured. Here’s what we know.
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DEEP SKY OBJECTS
New Pentagon UFO files: How close are we to alien life? Ex-NASA official explains
The new UFO files raise even more questions, but do they bring us any closer to answers?
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ASTRONOMY
Love from Mars: NASA captures surreal heart-shaped landscapes on the Red Planet
Some of Mars’ strangest images also happen to be its most beautiful. Here’s a look at a few of them.
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DEEP SKY OBJECTS
Is the universe actually a simulation? One scientist says he's found evidence
His claim is bold enough to challenge everything we assume about reality itself.
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ASTRONOMY