With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...

The discovery of new exoplanets can help scientists understand how planets form and evolve. Scientists from UNSW Sydney have located a potential new exoplanet -- a planet that orbits a star outside of ...

The solar system could be packed with 1 million alien visitors, space rocks shaken away from our cosmic neighbor Alpha ...

Engineers at NASA's Jet Propulsion Laboratory have conserved energy supplies on the record-setting Voyager 1 & 2 deep space ...

Mars’s distinctive red hue has long been attributed to haematite, a rust-like iron mineral, formed under dry atmospheric ...

Another finding was how dramatically the planets varied in brightness over just three years. The team discovered that PDS 70 ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

"We might have finally found the cause of a mystery that's lasted over 40 years," said researcher Sandino Estrada-Dorado.

The two innermost planets, Venus and Mercury, will shine together low in the western sky at sunset on March 10. Here's how to get the best view before they disappear.

The three-star system, which likely hosts planets, is slowly moving closer to us and will reach its closest point in about 28,000 years.

A fresh look at past data reveals that exoplanets with masses similar to Jupiter formed much sooner than previously thought, ...