"Discoveries like this really help to give a little more insight into what’s out there and encourages people to look up and wonder”

Researchers design mock galaxies and more to prepare for sky-mapping instrument

When a meteor comes hurtling toward Earth, the high-pressure air in front of it seeps into its pores and cracks, pushing the body of the meteor apart and causing it to explode

Planet appears to have water-restricted environment

ESO's HARPS instrument finds Earth-mass exoplanet around Ross 128

Magnetospheres deflect high-energy, charged particles that are spewed out by the Sun and protect the planets' surfaces from harmful radiation

New work will help astronomers allocate scarce observing time to the most promising candidates for habitability

Space radiation is quite different and more dangerous than radiation on Earth

Planets grow by a process of accretion—a gradual accumulation of additional material—in which they collisionally combine with their neighbors

The mission has told us a great deal about the unique and unexpected chemistry of Saturn's moon Titan, and it has changed the way we think about our own planet and the entire solar system