Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

During his inaugural address, President Donald Trump said he wants 'American astronauts' on Mars. Where does a future Mars ...

President Donald Trump made a bold promise to America minutes after taking the Oath of Office: pledging that an American flag ...

In his prepared remarks, Trump, a longtime backer of U.S.-led space exploration and exploitation, singled out Mars and left ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

In January and February, a spectacular planetary parade will be visible in the night sky. The celestial alignment of Venus, ...

While the planets are technically always "aligned" along the same plane in our sky, seeing so many at once is a special ...

Stargazers who haven't had a chance to check out this month's planet parade will want to look up soon because there's ...

Stargazers, prepare for the parade of planets that will take place over the next few nights in the sky. Here's what you need ...

While planets circle the sun in what's called and heliocentric orbit, they rarely fall together in what appears to the human ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...