A mysterious burst of radiowaves with more energy than the sun emits in a year has been traced back to a cosmic graveyard dead galaxy filled with ancient stars.
Most of the planets are aligned in our night sky right now, providing a treat for skywatchers. Are such "planetary parades" visible from other worlds?
Scientists searching for microbe fossils on Mars have a better idea of what to look for thanks to gypsum that formed when the Mediterranean Ocean dried up over 5 million years ago.
Mars is known as the "Red" Planet, but what actually makes it red? New research offers answers.
A strong X-class solar flare erupted from the sun on Sunday, Feb. 23, creating radio blackouts across parts of the Pacific Ocean.
The critically acclaimed Disney+ Star Wars series Andor is returning with a bang in April, and its long-awaited first trailer is just what we needed.
Technicians have installed the sunshade on NASA's Nancy Grace Roman Space Telescope, which is scheduled to launch in Spring 2027.
The chances of asteroid 2024 YR4 hitting our planet are now zero. Last week, it was the riskiest asteroid to hit our planet since records began.
A total lunar eclipse on March 13-14, 2025, will be visible across Earth's night side. See detailed maps of where and when to watch the dramatic 'Blood Moon'.
Scientists aim to answer some of the most fundamental questions about the universe using NASA's newest space telescope, SPHEREx, which is set to launch Feb. 28.
