When the sun sets Friday, Wyomingites will have enjoyed more than 15 hours of daylight on what's called the longest day of ...

Solar Orbiter captures first-ever images of the Sun’s poles, offering insights into solar magnetism, atmospheric motion, and ...

The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern sky.

Ancient Greek astronomers were the first to gather knowledge about space exploration. Richard Branson and Jeff Bezos could ...

Earth’s companion has allowed astronomers to define lunar cycles, navigate without technology, and understand celestial ...

The King of the Planets teams up with an exceedingly narrow crescent moon for the last time this year in the evening sky on May 27.

During the summer solstice, the Sun rises over the Tropic of Cancer (23° 26' latitude) in the Northern Hemisphere. In ...

“We also find an approximately 0.3 percent chance that Mars will be lost through collision or ejection and an approximately 0 ...

Regulus is a bright blue star in the constellation Leo, which is often called the 'lion's heart'. It regularly appears close ...

Hycean worlds are also called ocean worlds. They're planets covered in oceans that also have thick hydrogen atmospheres.

Like Earth, Mars is surrounded by an ionosphere—the part of its upper atmosphere where radiation from the sun knocks ...