The most exciting yet controversial possibility traces back to a theory proposed by British physicist Stephen Hawking in 1971: that black holes originated from the primordial soup of the Big Bang. If ...

SOLAR flares can knock out satellites, kill GPS navigation, trigger power blackouts, and irradiate astronauts. A single major solar storm could cost the global economy $2.4 trillion over five years.

NASA scientists discover strong new evidence that Mars may have once supported life, much as Earth does today.

NASA is increasingly sure its Mars rover Perseverance found a rock with biosignatures of ancient microbial life. However, the sample would need to be tested in labs on Earth to confirm the findings ...

Research led by NASA suggests a habitable past on Mars based on the discovery of minerals in Martian rocks associated with ...

But over the summer, 3I/ATLAS, has plunged toward the inner solar system—and the fireworks show has begun in earnest. When ...

Scientists stressed that in-depth analysis is needed of the sample gathered by the Perseverance rover before reaching any ...

Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars last year may have ...

NASA’s Perseverance Mars rover collected a rock sample that NASA leaders say offers the best signs yet that ancient Mars ...

When the Perseverance rover landed in Mars’s Jezero crater—a formation that long ago was Jezero lake—in February, 2021 it turned west. West is where the riverbeds, the deltas, the sites of ancient ...

The night sky has an exciting and rare lineup this weekend, with the peak of the chi Cygnid meteor shower expected on Sunday, ...

Prize: NASA could offer a prize—say $3 billion to the first company and $1 billion to a second company—for delivering ...