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

Edinburgh Science Festival is the first and still one of Europe’s biggest science festivals, taking place over the Easter ...

Eight billion miles (14 billion kilometers) from Earth, at the solar system’s ragged edge, lies Eris — a planet-sized oddball of a world that emerged unexpectedly from the darkness 20 years ago.

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical Union (IAU) redefined what constitutes a planet, leading to Pluto’s ...

Stargazers can witness a rare 'planet parade' in January and February 2024, where six planets align prominently in the night sky. Venus, Mars, Jupiter, and Saturn can be seen with the naked eye ...

On any given night, it's likely that knowledgeable stargazers will be able to spot at least one bright planet shining in the night sky. Because they don't happen every year, such cosmic displays ...

Stargazers will be treated to a dazzling six-planet "alignment" this January. A planetary alignment, or a "planet parade" according to the internet, will grace our night sky just after dusk ...

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus, and Neptune. The alignment peaks on January 25 and Mercury joins the ...

They also checked to see if any of those dips in light curves might have been caused by second planets orbiting the same star but came up empty-handed. While seven additional candidate exoplanets ...