We’ve grown up with the idea that the universe will expand forever, meaning the "cosmological constant" is positive. What if ...
The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...
"It is larger than the size of most anything to which it might be compared." The universe's largest structure, the Hercules-Corona Borealis Great Wall, was already a challenge to explain with models ...
Ask Dr. Universe: Earth’s crust couldn’t withstand weight and pressure of a fragment of neutron star
Mon., June 23, 2025 A composite image of the supernova 1E0102.2-7219 contains X-rays from Chandra (blue and purple), visible light data from VLT’s MUSE instrument (bright red), and additional data ...
How will NASA's upcoming Habitable Worlds Observatory (HWO) mission differentiate Earth-sized exoplanets from other ...
When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally published at The Conversation. The publication contributed the ...
Astronomers detect a fast radio burst from 10 billion years ago, FRB 20240304B, revealing clues about the early universe.
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. If the near-Earth ...
(THE CONVERSATION) The Sun will someday die. This will happen when it runs out of hydrogen fuel in its core and can no longer produce energy through nuclear fusion as it does now. The death of the Sun ...
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