The Sun, our life-giving star, is slowly dying. In about 5 billion years, it will exhaust its fuel and transform into a red giant, altering the solar system forever. But long before that, the Sun’s ...

How did Earth, alone among the Solar System's rocky planets, become the home for life? How, among all this frigid ...

Our Solar System is home to eight extraordinary planets, each with its own unique features, mysteries, and beauty. This cosmic journey takes you from the Sun-scorched surface of Mercury to the icy ...

Proxima Centauri b is the closest known exoplanet that could be in the habitable zone of its star. Therefore, it has garnered ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

The pH scale is a measure of how acidic or alkaline something is, 1 being highly acidic, 14 being highly alkaline, and 7 ...

HUMANS have been searching for aliens for decades – but all this time, intelligent extraterrestrial life could have found us, ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

University of Arizona astrophysicist Erika Hamden takes readers on a romp through a "Weird Universe" in her debut popular ...