Gamma rays are invisible and ultra-powerful forms of light. They are the most energetic source of radiation known in the ...

Gold, uranium, and other heavy elements on Earth did not form here. They were born in the violent deaths of massive stars and the collisions of neutron stars, traveling across the galaxy before ...

Pablo’s Galaxy existed about three billion years after the Big Bang and lies roughly 11 billion light-years from Earth.

Ex-Google CEO Eric Schmidt aims to fly the first private space telescope by 2029. Will it pave the way for more private ...

Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

The gravitational lens JVAS B1938+666 consists of massive bodies ranging from 6.5 billion to 11 billion light-years away, ...

Illinois residents may be able to catch a peek of the first full moon of 2026 tonight. Here's when to venture outside.

Black holes are not cosmic vacuum cleaners. They are among the universe’s most extreme objects - and come in different sizes.

Our sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its diameter expands more than a hundredfold, engulfing any unlucky planets in ...

A sampling of aging Sun-like stars demonstrates that they likely eat their closest planets. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...