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'Massive' comet hurtling toward us is larger than previously thought, could be alien tech, scientist says
We're gonna need a bigger telescope.
'City killer' asteroid is hurtling towards the moon — so panicked NASA scientists want to nuke it
We might go full "Armageddon" on asteroid 2024 YR4.
NASA’s Curiosity rover captures new sweeping panorama of Mars' landscape
NASA's other rover, Perseverance, landed in the Jezero Crater on February 18, 2021, to search for signs of ancient life and collect rock samples for a future return to Earth.
How to view the upcoming solar eclipse — the last of 2025
Star-gazers are over the moon about it.
Earth's new quasi-moon has likely hidden in plain sight for decades
A shy space rock is making its lunar debut.
Manhattan-sized interstellar object turning green as something is 'switched on' as it nears Sun
Scientists reported a dramatic rise in Cyanide and Nickel outgassing, which has changed the mysterious object's color from red to green over the last two weeks
Active duty Navy chief who witnessed UFO convinced doubtful colleagues with radar expertise: 'It was like checkmate'
“Even if I were to second-guess myself [before], I no longer could.”
Planet 40K light-years away may have Earth-like atmosphere to support life
“If there’s one of these planets that could potentially sustain liquid water on the surface, it’s probably that one.”
Mars discovery reveals stunning new clues about ancient life on Red Planet: NASA
They're stepping stones to our understanding of life on Mars.
Two giant asteroids are set to roar past Earth tomorrow — and one is as big as an airplane
NASA is keeping as close eye on the two space rocks.
NASA needs volunteer space cadets to track its next Artemis mission to the moon and back — here's how to sign up
NASA’s first manned trip to the moon in over 50 years needs volunteers.
An unprecedented look into a butterfly nebula from the James Webb Telescope
According to NASA, nebulas are giant clouds of dust and gases in space. They form from an explosion of a dying star or where a new star begins to grow.
Manhattan-sized interstellar object is covered in a layer of CO2, shocking scientists, NASA images reveal
"What lies under this outer skin remains unknown," Harvard astrophysicist Avie Loeb said.
'UFO' seen hovering over Disney World's Epcot — but there may be a simple explanation for it
One woman's Orlando adventure was truly out-of-this-world.
NASA scientists make startling discovery about alien life in our very own solar system: 'Big implications'
Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the asteroid belt between Mars and Jupiter, harbored the...
‘Devil Comet' discovery yields 'strongest evidence yet' that comets transported water to Earth, scientists say
“Our new results provide the strongest evidence yet that at least some Halley-type comets carried water with the same isotopic signature as that found on Earth,” said a NASA astrophysicist.
Stunning Northern Lights could be visible in 15 states tonight— and even New York may get lucky
New York City's skyline could shine extra bright tonight.
NASA rover spots rock shaped like medieval helmet on Mars
The martian rock, captured by Perseverance's primary camera on Aug. 5, has a bumpy, textured surface.
How to watch tonight's Perseid meteor shower and the special planetary surprise
Gather round and gaze up, kids, the annual Perseid meteor shower peaks tonight. Read on to discover where, when and how to see the Perseids peak.