The surface temperature of Neptune vary from just about -218 °C to -200 °C, making it the coldest Planet within the Solar System.
The New Horizons space probe delivers rare first image of icy world and remnant of early solar system, after its historic brush with Pluto.
When talking about the size of stars, and finding out which is the biggest Star in the Universe, it’s important to first take a look at our own Sun for a sense of scale.
Even as astronomers announced the discovery of 1,284 more exoplanets by NASA’s Kepler space telescope, the first alien Earth still a mystery to scientists.
Advanced scientific techniques have resulted in the discovery of thousands of Earth-like Planet that have their own Solar System.
The airborne telescope SOFIA has measured atomic oxygen on Mars’ atmosphere, the first such measurement in four decades.