PHOTO GALLERIES
4 PHOTOS
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.
5 PHOTOS
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.
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.
5 PHOTOS
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
5 PHOTOS
ASTRONOMY
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.
5 PHOTOS
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.
5 PHOTOS
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.
6 PHOTOS
ASTRONOMY
7 PHOTOS
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.
5 PHOTOS
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.
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.
5 PHOTOS
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.
4 PHOTOS
ASTRONOMY
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?
5 PHOTOS
ASTRONOMY
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.
5 PHOTOS
DEEP SKY OBJECTS
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
5 PHOTOS
ASTRONOMY
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.
4 PHOTOS
ASTRONOMY
Could aliens be communicating like fireflies? This study challenges human bias in ETI search
A thought-provoking study questions our human-centric approach of looking for extraterrestrial intelligence (ETI) and advocates for the expansion of the search to the realm of the non-human.
Could Mars be our next home? Five strange facts about the Red Planet that will make you rethink
Humanity is eyeing Mars for colonization, but there are realities about the Red Planet that might make you question these lofty ambitions.
6 PHOTOS
ASTRONOMY
Harvard scientist Avi Loeb says Earth may be a North Sentinel island adrift in a sea of spacefaring aliens
What if we Earthlings are like a primitive tribe of hunter-gatherers living on an island that is almost entirely isolated from the rest of the world?
4 PHOTOS
SPACEFLIGHT
This is what living on NASA's future moon base could actually look like
NASA hopes to see astronauts living on the moon by the 2030s. Here's what that could involve.
5 PHOTOS
ASTRONOMY
"There is an agreement between the U.S. government and aliens": Former Israeli space security chief's wild claim
Know all about the wild claims about aliens made by Haim Eshed, the former head of Israel’s Defense Ministry’s space directorate.
5 PHOTOS
SPACEFLIGHT