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

And one of those moons, known as Charon, is half the size of Pluto itself. But that’s not the only thing that’s unusual about ...

Aimed at the nearby star PDS 70, the James Webb Space Telescope is watching newborn planets take shape before our eyes in ...

Whether you’re an astronomer, ordinary stargazer or astrologer, the alignment of the other seven planets in our solar system on the same side of the sun on February 28 will make a grand celestial show ...

A Bennu-type asteroid could lead to “severe environmental consequences,” researchers write, while acknowledging that a ...

When neutron stars collide, they create a powerful gravitational-wave signal, with the post-merger remnant ringing like a ...