Space

Planet dwellers like us naturally look first to other moons and planets for colonization. Yet, asteroids have enough resources to build space habs for trillions, with the same living space per person…

People often ask, "How close are we to sending humans to Mars" and it's not surprising given the optimistic presentations by Elon Musk and others. However, Mars is just too far away to send humans at…

Some exoplanets with masses two to four times the size of Earth can be explained by large amounts of water - and they may be more common than previously thought, say researchers. The 1992 discovery…

About 1 billion years after the Big Bang, the gas in deep space was highly opaque to ultraviolet light and its transparency varied widely from place to place, obscuring much of the light emitted by…

I am very happy to host here today an article by my INFN colleague Alessandro de Angelis, a well-known and authoritative italian astrophysicist. Alessandro has recently published a beautiful new book…

You may have trouble finding a hotspot in that store you are visiting, but there is one place they are persistent: inside neutron stars. A new study shows that instabilities can create intense…

Though evidence to-date shows we are the first advanced species, at least in our cosmic neighborhood, that doesn't mean it can't happen elsewhere. It is absolutely likely, because according to one…

The moon is just a big rock in Earth's orbit now but things could have gone a lot differently in the distant past. In fact, there may have been two early windows of habitability for Luna. In a new…

With the discovery of a dozen new tiny moons of Jupiter that planet now has upwards of 79 moons. Are all-natural satellites of a planet moons?  Not really, not unless they are similar…

The asteroid Oumuamua ("scout from the distant past" in Hawaiian) was discovered on October 19, 2017 by astronomers at thr Pan-STARRS1 survey when it came close to Earth's orbit, within the orbit of…