Interstellar visitors: Material from Alpha Centauri may already be here
Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come ...
Witnessing the birth of planets: Webb telescope provides unprecedented view into PDS 70 system
Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...
These Black Holes Are So Ancient They Shouldn’t Even Exist
Ancient quasars seen by the James Webb Space Telescope technically shouldn’t exist, but one rare type of dark matter could ...
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Scientists detect highest-energy ghost particle ever seen — where did it come from?
"History shows us that whenever you do open a new 'energy window,' you never really know what you're going to find. It's completely unexplored." ...
New Book Reveals Why We Need An Exoplanet Reality Check
Is Earth really exceptional?  A new book seems to reaffirm that notion.  But given the right conditions, primitive life may be a mere byproduct of biophysics.