In the 1990s, NASA's Galileo spacecraft discovered a secondary magnetic field on Europa, suggesting the presence of a salty ocean beneath its ice. Europa is continually pulled by Jupiter's immense ...

On Sept. 21, 2003, NASA's Galileo mission to Jupiter and its moons came to an end. After 14 years of exploration, the Galileo ...

Astronomy enthusiasts, mark September 21st on your calendars. Saturn will be at its closest and brightest, visible to the ...

NASA has issued an alert about an impending asteroid, one as large as a skyscraper, that is on a trajectory towards our ...

Astronomy experts advise stargazers to find locations away from city lights, where dark skies allow for clearer views. Parks, ...

NASA has estimated that the metals in these asteroids could be worth as much as $10 billion per person, and mining the richest ten asteroids could yield $1.5 trillion. However, the actual extraction ...

Every so often, Jupiter's strong gravity sends an asteroid hurtling through the solar system, sometimes towards Earth. Last ...

The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found.

Saturn will put on a show for professional and backyard astromers alike, and be the brightest and closest it has been to ...