A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

Planetary parades, or alignments, take place when major planets in the solar system appear aligned from our viewpoint on ...

Europa hides one of the most intriguing environments in the solar system beneath its frozen surface. This story traces how ...

The curious minds at What If discover what dying on Jupiter would actually be like, revealing crushing pressure, storm hazards, and fatal conditions.

Planetary parades, or alignments, take place when major planets in the solar system appear aligned from our viewpoint on ...

February holds some spectacular sights in the night and morning sky. See what's happening in the skies over North Texas this ...

Don’t worry if you don’t have a personal geomancer on your phone — we’ve done the cosmic legwork for you, rounding up this ...

The simplest way to differentiate between planets and stars is by observing their light - if it twinkles, it's likely a star ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Astrology enthusiasts often turn to horoscopes to gain insights into their future. Capricorn, the tenth zodiac sign, governed ...

The gas giant’s shape and size, previously known only from data collected more than 45 years ago, have been updated at last.