During the week of April 6 to 12, average carbon dioxide (CO2) levels touched 404.02 parts per million (ppm), the highest-ever in recent human history - and 15 percdent above the levels of 350 ppm scientists say is ideal for Earth.
Water delivery via asteroids or comets is likely taking place in many other planetary systems, just as it happened on Earth, according to a new research that suggests Earth-like oceans may be common on other planets.
An extremely powerful telescope on Earth has revealed in detail a huge lava lake on Io - the innermost of the four moons of Jupiter discovered by Italian scientist and scholar Galileo (Galilei) in 1610.
A team of geophysicists has suggested that the asteroid that crashed into the Earth 66 million years ago may not have been the sole cause of the end of the dinosaurs; it may in fact have triggered massive volcanic eruptions around the globe that finished the job.
While NASA has achieved the impossible by flying four identically equipped spacecraft together to capture 3D views of subtle magnetic interactions in space, the $1.1 billion mission is set to beam back valuable data beginning September this year.