On July 14, 2015, a spacecraft flew by Pluto for the first time! NASA's New Horizons spacecraft spent 9.5 years making the ...

New Horizons launched in January 2006, and by July 14, 2015, it had reached its primary goal: Pluto. The first spacecraft to study Pluto up close, it conducted measurements of Pluto's atmosphere, ...

On July 14, 2015, the New Horizons space probe came within 7,800 miles of Pluto, providing NASA scientists with the clearest ...

This evening’s viewing challenge is the planet Mercury. It is less than half a fist above the west-northwestern horizon at ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

NASA’s New Horizons probe, which hurtled past Pluto in 2015, demonstrates that it can sail through interstellar space using ...

It was one of the most ambitious missions for NASA since the turn of the century, with photos reshaping what scientists know ...

Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

On July 9, 2011, the Republic of South Sudan declared its independence from Sudan and became Africa's 54th nation.