How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the ...
Evidence suggests the universe’s expansion has started to slow, not accelerate. The results imply dark energy is weakening ...
In a new book, NASA astrobiologist Caleb Scharf says the fate of life on Earth may hinge on leaving our planet behind ...
The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s what’s known about it and what we’ve learned so far.
In 1949, famed mathematician and physicist John von Neumann delivered a series of addresses at the University of Illinois, ...
When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's ...
Comet 3I/ATLAS, the third confirmed interstellar visitor, is making its final exit from the solar system — and skywatchers ...
The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously ...
Comet C/2025 V1 (Borisov), discovered by an amateur astronomer, is captivating scientists. Its unusual orbit initially ...
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