Mars is probably smaller than you think. It's just half the size of Earth, with barely a third of its mass. Even the Martian ...

Back in 2007, I talked with Rob Manning, engineer extraordinaire at the Jet Propulsion Laboratory, and he told me something shocking. Even though he had successfully led the entry, descent, and ...

Mars and Venus are about to line up in the night ... That's just a finger's width apart if you hold your hand up to the sky, according to NASA. The two planets will actually get closest together ...

Uranus will be much more difficult than Mars despite being just 32 arcminutes (about the moon's width) from the red planet. However, there is a way to easily see it. How To See The Conjunction Of ...

Although Mars has much the same land mass as Earth, the planet is much smaller (about half the size). Down on Mars, Curiosity gives us an incredible panoramic 360° close up look at the Namib Dune ...