Radio astronomy opens a window onto the invisible universe. While our eyes can detect visible light, countless objects in ...

In the vast, dark expanse of the universe, there lies a mystery about the first stars—massive, luminous celestial bodies that lit up the cosmos in its earliest stages. These stars, known as Population ...

“In the present universe, dark matter has interacted with stars and galaxies for billions of years, making it difficult to decode its properties. Observing it in the early universe gives us a pristine ...

NASA is inviting the public to take part in 36 “citizen science” projects that let volunteers contribute to real scientific ...

The theorists predict that the beginning of the end will be in about 10 billion years — less than the present age of the universe. Tantalizing evidence hints that dark energy might be evolving, ...

A new brain-computer interface can decode a person's inner monologue. That could help paralyzed people communicate, but also suggests scientists are one step closer to reading a person's thoughts. A ...