Anyone tempted to ascribe the nighttime sightings of aircraft to alien intelligence ought to be dissuaded by the vast scale ...

The Parker Solar Probe will zoom by the sun on Tuesday during a record-breaking flyby, coming within 3.8 million miles (6.1 ...

The Parker Solar Probe will swoop just 6.1 million kilometers above the sun’s surface on Christmas Eve. Scientists are ...

In recent years, Saturn has overtaken Jupiter as the planet with the most satellites in our solar system. How many moons does ...

From a total solar eclipse that captivated our continent to record temperatures that scorched the planet, these were the ...

In this week's issue of our environmental newsletter: we give you a chance to try our end-of-year climate quiz, respond to a ...

The moon may be more than 100 million years older than some scientists previously thought, according to a new study.

The odd atmosphere of a fledgling exoplanet is causing astronomers to question leading theories of how planets form.

International researchers recently spotted a pair of stars orbiting around one another in surprisingly close proximity to Sagittarius A*.

The innermost Earth-like planet in the famous TRAPPIST-1 system might be capable of supporting a thick atmosphere after all, ...

Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist.

Nasa's Juno Spacecraft has released stunning new images of Jupiter, the largest and oldest planet in our solar system. The ...