Space

Is it feasible to use dead stars to navigate spacecraft in deep space? Long-term space travel may be a pipe dream outside science fiction math but people inside science are at least thinking about…

The 100 Year Spaceship Symposium, an international event advocating human expansion into other star systems, has some crucial hurdles to overcome. Basically, interstellar travel will depend upon…

The European Southern Observatory (ESO) is officially 50 years old today and this morning, for the first time ever, observations with ESO’s Very Large Telescope were made of an object chosen by the…

Black holes may not be so dangerous to stars after all. The discovery of a star named S0-102 may help reveal whether Albert Einstein was right in his fundamental prediction of how black holes warp…

What to give the person who has everything? A clock that will keep perfect time  even after the heat-death of the universe.  Such a "space-time crystal" has periodic structure in time…

Sharpless 2-292, a stellar nursery called the Seagull Nebula because it seems to form the head of the seagull, glows brightly due to the energetic radiation from a very hot young star lurking at its…

Gravitational lensing has found MACS1149-JD1, which was created less than 500 million years after the Big Bang, making it the most remote galaxy ever to be observed.  Our universe came into…

We are in a new space revolution, and in the past two years, several people have used the Kickstarter crowd-funding platform  to try to get into space.  Not all succeeded.  Let's look…

Neil Armstrong, the first man to walk on the moon, died last Saturday in Ohio at age 82 and his funeral service is tomorrow.  Like most everything else about him, the service is private. Yet the…

A project that investigated the planetary radio-frequency emissions of the Earth and Saturn also discovered a strange radio emission from the planet Jupiter. The Earth is loud. As in"radio-loud",…