As the winter solstice approaches, North America is closing in on the shortest day of the year -- and in many places, the amount of daylight lost since summer adds up to hours.

December brings an array of night sky events including a mysterious interstellar comet, the Geminids meteor shower and winter ...

Isaacman told the panel that NASA needs “full-time leadership” as it prepares to send astronauts back to the moon.

NASA’s latest Mars mission is not taking the familiar highway. Instead of a direct cruise along the classic Hohmann transfer, ...

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, ...

In what Sen. Ted Cruz referred to as a “Groundhog Day” Senate committee hearing Wednesday, billionaire Jared Isaacman saw ...

NASA is sending two spacecraft to Mars on their new ESCAPADE mission to reveal how space weather robbed it of its atmosphere and turned it dry ...

Space questions everything about what we know about existence and consists of gigantic stars, icy comets and distant worlds ...

The Hubble captured the image on November 30, while Juice caught a glimpse of the interstellar visitor shortly after ...

We have all the latest images of our interstellar visitor from ESA's Juice, Hubble, NASA's STEREO, and even a photobomb from ...

After reaching Mars with the Perseverance rover in early 2021, NASA’s Ingenuity helicopter proved a huge success as it ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...