Gamma rays detected by NASA's Fermi spacecraft indicate that microquasars are powered by small black holes slowly devouring ...

In the Milky Way's central bulge, about 24,000 light-years from Earth, a peculiar pair of objects appears to be hurtling ...

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

Scientists have discovered a potentially record-breaking fast planetary system, with a star and possible exoplanet moving at ...

Astrophysicists have been grappling with the question of how water arrived on our young planet for decades. One of the ...

NASA scientists have detected a star and trailing exoplanet that may be sailing through the Milky Way with unprecedented ...

With an equatorial diameter of 7926 miles (12,760 kilometers), our planet Earth is the biggest of the terrestrial planets and the fifth largest planet in our solar system. It is the only planet in the ...

Gaining insight could help understand the timing and process of life's emergence. A research team led by a Rutgers-New ...

NASA’s Jet Propulsion Laboratory said Tuesday that 2024 YR4 had a 3.1% chance of impact, but astronomers lowered the estimate ...

Extraterrestrial Power's new innovation allows space-grade solar cells to be mass produced alongside terrestrial solar cells.

It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have ...