The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

Aside from Earth, no planet in the solar system captures our imagination quite like Mars. The Red Planet is one of the few ...

The possibility of the asteroid 2024 YR24 impacting our planet might not be ruled out until 2028, raising the prospect we’ll need to prepare for the worst ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...

NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet. The space rock—dubbed "2025 BV5"—is estimated by NASA's Jet Propulsion ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

The wannabe asteroid, announced on Jan. 2 as 2018 CN41, is actually a Tesla Roadster launched into space years ago by SpaceX ...

Scientists say that a newly discovered space-rock has a chance of colliding with our planet in less than 10 years ...

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...

Al Jabbar is one of the Arabic names for Orion, the “Hunter", one of winter's most conspicuous constellations.