Posts from sciencealert.com
This Absolute Monster of a Black Hole Eats The Equivalent of a Sun a DayOne of the largest known black holes in the Universe has turned out to have an appetite to match its prodigious size. New measurements reveal that it's an absolute chonk, clocking in at around 34 billion times the mass of the Sun - and it devours alm
This Is How Many People You'd Need to Colonize Mars, According to ScienceSo you want to colonize Mars, huh? Well Mars is a long ways away, and in order for a colony to function that far from Earthly support, things have to be thought out very carefully. Including how many people are needed to make it work.
Physicists Have Observed Light Flowing Like a River, And It's BeautifulPicture in your mind the delta of a river - the way the main channel splits into smaller rivulets and tributaries. Something similar occurs in waves as they propagate through a certain kind of medium: the path of the wave splits, breaking up into sma
We May Finally Know The Extreme Route Fish Take Through Air to Colonise New LakesIt has long been a mystery how some fish can colonise isolated lakes and ponds surrounded by inhospitably dry land. It's not like fish can get out of the water, shake themselves off, and walk between far-flung pools to spread their spawn.
The Bizarre 'Flight' of Tree Snakes May Have Just Been Explained by PhysicsSnakes may not have any limbs, but it doesn't stop them from getting around. By wiggling their bodies to-and-fro, these crafty creatures can easily dash across land or water without the need for feet or fins. Some can even fly.
Astronomers Have Located The Centre of The Solar System to Within 100 MetresWhen you picture the Solar System in your head, most people would think of the Sun, stolid and stationary in the centre, with everything else whizzing about around it. But every body in the Solar System also exerts its own gravitational tug on the st
For The First Time, Scientists Have Captured Video of Brains Clearing Out Dead NeuronsWe already know that our brains have a waste disposal system that keeps dead and toxic neurons from clogging up our biological pathways. Now, scientists have managed to capture a video of the process for the first time, in laboratory tests on mice.
A Massive Star Has Disappeared From a Distant Galaxy, And No One's Sure Where It WentMassive stars aren't like your car keys. They're not going to disappear under a pile of mail on your kitchen counter, or end up in the washing machine. But a massive star that astronomers were observing for a decade now appears to be totally missing.