Much of the mass in the universe lies not in stars or galaxies, but in the space between them, known as the intergalactic ...
Along with some 80 items in ‘Measuring Difference’ is a reminder that measurement, in all its forms, is a human invention.
Astronomers from China and South Korea report the detection of a contact binary system with an extremely low mass ratio of only 0.0356. The newfound system, which received the designation TYC ...
Another hypothesis is that Phobos and Deimos formed very much like Earth's moon did — that an impact on the surface of Mars ...
"The configuration that we end up with within the solar system is definitely not something that is indeed common," Chen told ...
The essential ingredient for life, water, appeared on both planets around 4.4 billion years ago, new research indicates.