Explore the discovery of Kepler-139f, a super-Earth exoplanet 36 times Earth's mass, orbiting its star every 355 days. Learn ...

That means returning from the moon, the Artemis astronauts will be traveling at around 0.0037% the speed of light. Assuming a constant top speed for Orion leaving Earth, it would take about 1.14 ...

On July 20, 2025, the Seven Sisters celestial event will be visible across the United States and Canada.

The night sky is home to many celestial features named after creatures from Earth’s oceans. Among the stars, you’ll find ...

The mission aims to collect samples from the near-Earth asteroid 2016 HO3 and explore the main-belt comet 311P.

Bluish-white Regulus in Leo is moving toward the western horizon and sets around 10 p.m. in mid-July, followed a couple of ...

No telescope has basked in the night sky quite like the enormous new Vera Rubin Observatory. Here's what it could reveal ...

On average, from the point of view of the sun, the Earth completes one full rotation around its axis every 24 hours or 86,400 seconds, give or take a few milliseconds. A millisecond (ms) is 0.001 of a ...

American space agency NASA announced the discovery of a planetary system that isn't flat, has transit timing variations, and ...

Macquarie University astronomers have tracked an extreme planet's orbital decay, confirming it is spiralling towards its star in a cosmic death dance ...

NASA finds interstellar comet near Jupiter, will be closest to Earth in October The third known interstellar object to pass through our solar system poses no threat to Earth.

Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close to a young star - a ...