astronomy
One 'Super-Earth' Could Destroy Our Own Planet, Study Finds
A super-Earth existing in our solar system is so far hypothetical, but its effects would be incomprehensibly destructive.
Scientists Discovered a Massive 'Forbidden' Planet That Shouldn't Exist
TOI-5205b is so massive that it suggests our best theories about how planets form are falling short.
A New 'Dark Energy' Discovery Might Have Just Revolutionized Our Idea of the Universe
“If the theory holds, then this is going to revolutionize the whole of cosmology," one scientist said.
Something Strange Is Happening on the Sun, and We've Never Seen It Before
"It's very curious. There is a big 'why' question around it," one scientist said.
We May Have Had an Interstellar Visitor for Eons and Scientists Are Stumped
"I think it's going to be inconclusive, if not impossible to demonstrate conclusively," one physicist said of the possible interstellar comet.
New Map of All Matter In the Universe Reveals Something Strange About the Cosmic Web
The cosmic web is a vast structure connecting the entire universe, and new measurements point to a mysterious anomaly.
Scientists Captured a 9 Billion-Year-Old Radio Signal From Deep Space
The record-breaking signal could be the key to unlocking many cosmic mysteries.
Decades of Jupiter Observations Have Revealed Something Strange
40 years of observing the biggest planet in the solar system has revealed "things we never anticipated," a new study says.
Scientists Gain Unprecedented Look at Infernal ‘Hell World’ In Space
55 Cancri e appears to have a deadly surface made entirely of lava, but understanding it could help us find more habitable planets.
A Huge Satellite Is Now One of the Brightest Objects In the Sky, Astronomers Warn
The BlueWalker 3 satellite now out-shines all but the brightest stars and “could severely hamper progress in our understanding of the cosmos.”
Mars Had an Ancient Asteroid Impact Like the One That Killed the Dinosaurs, Scientists Discover
The findings mean NASA may have stumbled upon signs of alien life on its first trip to Mars in 1976.
Scientists Spot Black Hole Energy Beam as Bright as 1,000 Trillion Suns Pointed at Earth
So-called relativistic jets of energetic particles are stunning, destructive spectacles, and this one was "unprecedented."