We're now just past the midpoint of astronomical winter — that moment marking the midway point between December's winter solstice and March's vernal equinox. That moment took place at 4:11 p.m.

In the coming years, an unprecedented number of people will leave planet Earth—but it’s becoming increasingly clear that deep ...

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south ...

A world-leading designer of space robots says gigantic new rockets being tested by billionaires Elon Musk and Jeff Bezos are creating a “Golden Age of Space Exploration.” ...

Is a mission to Mars in the U.S. space program's future? In his inauguration address, Trump said the U.S. would "pursue our ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

NASA’s Perseverance rover recently captured a stunning image of a black-and-white striped rock on Mars, sparking excitement ...

Five of the brightest planets will be visible to the naked eye. With help, you may even spot Uranus and Neptune.

The six planets visible since Tuesday (and with visibility due to peak on Saturday, weather permitting) are Venus, Mars, Jupiter ... should be easily visible as a white dot in the sky.

Finally, planets can take on different colors — Mars looks reddish, and Venus is more bright and white. Astrologically speaking, this is a time to open our hearts. The astrology of Jan. 21 ...