PHOTO GALLERIES
5 PHOTOS
DEEP SKY OBJECTS
Astronomers just confirmed the first black hole star: "We’re seeing pure black hole star light"
A new type of astrophysical object has been identified. Know all about MoM-BH*-1, the first confirmed black hole star.
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ASTRONOMY
When a mystery cone-shaped object on Mars ignited a public feud between a Harvard scientist and NASA
A seemingly ordinary image taken by NASA's Curiosity rover in 2022 stirred up a public disagreement between NASA and Harvard astrophysicist Avi Loeb.
There may be a second universe out there, and it could be why anything exists at all
Scientists say the answer to why we exist may be hiding in a mirror universe. Here’s why.
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ASTRONOMY
Harvard professor Avi Loeb wants UFO “biologics” as new files raise more questions
Photos and videos aren't enough anymore, says the Harvard physicist leading the UAP panel. Here's why.
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ASTRONOMY
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
What if déjà vu is a sign we're living inside a simulation? Here's what scientists say
Researchers think déjà vu could be a “glitch in the Matrix” caused by system lag. Here’s why.
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ASTRONOMY
Harvard professor says humans could reach the Milky Way's center in just 10 years. Here's how
The distance from Earth to the Milky Way's center is a whopping 26,000 light-years. But Harvard astrophysicist Avi Loeb says humans could be able to traverse this in just a decade, without breaking the laws of physics. Read here to learn how.
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SPACEFLIGHT
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ASTRONOMY
What if reality isn’t real? Scientists think we might be living in a computer simulation
Here’s why some experts think reality may not be what it seems.
5 PHOTOS
DEEP SKY OBJECTS
This 'Pink Planet' was already weird, and now astronomers have found salt in its skies
Meet the mysterious planet-like object GJ504b, which continues to intrigue astronomers more than a decade after its discovery.
How will the universe die? 5 possible ways it could all come to an end
Scientists have several ideas about how everything could end. Here are some of them.
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ASTRONOMY
Total solar eclipse 2026: 5 reasons why you must not miss the cosmic event on August 12
The total solar eclipse on August 12 will be the first to be witnessed in mainland Europe in nearly three decades. Here are some must know facts about this cosmic event.
5 PHOTOS
SKYWATCHING
Is time travel possible? What Albert Einstein's theory of relativity tells us
Time travel has long been a feature of science fiction, but is it possible? Take a look at what Albert Einstein's relativity teaches us.
5 PHOTOS
ASTRONOMY
Here's how much longer life on Earth has left, according to new research
Scientists say Earth's plant life could survive far longer than once thought. Here’s how.
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ASTRONOMY
This Oxford philosopher hopes humanity's search for extraterrestrial life "finds nothing"
Discovering complex fossils on Mars would be "by far the worst news ever printed on a newspaper cover," says an Oxford philosopher. Here’s why.
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ASTRONOMY
5 PHOTOS
ASTRONOMY
Isaac Newton's 1704 doomsday prophecy predicted the year the world would end
One of history's greatest scientists predicted the exact year the world would end. Here's what he shared in his letter.
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SPACEFLIGHT
SpaceX Falcon 9 rocket just crashed into the Moon—but have we hit the Moon accidentally before?
The Moon has a new crater thanks to a discarded Falcon 9 upper stage. Something similar happened 4 years ago as well, except that it was a Chinese object.
Neil deGrasse Tyson thinks first contact with intelligent aliens could look like this
Astrophysicist Neil deGrasse Tyson, through his latest book, explores what first contact with intelligent spacefarers might look like.
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ASTRONOMY
When Brian Cox challenged Avi Loeb's alien probe theory about comet 3I/ATLAS
The discovery of 3I/ATLAS sparked intense debate, with Harvard astrophysicist Avi Loeb claiming it could of alien origin. Here's how physicist Brian Cox responded.
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ASTRONOMY
Can we really time travel? Here's what award-winning physicist Brian Cox says
Going forward in time might be possible. Coming back? Not so much. Here’s why.
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ASTRONOMY
Wait, what's that? The strangest things ever spotted on Mars
NASA and ESA have spotted some odd things on Mars. Here's what's really going on.
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ASTRONOMY