When it does take place, the outburst will be brief but it will appear as a new star in the sky for a little less than a week ...
T his time last year, astrophiles were gearing up for a "once-in-a-lifetime" spectacle—only it never happened. The celestial ...
What's on and in a star? What happens in an active galactic nucleus? Answering those questions is the goal of a proposed ...
Thousands of light-years from Earth, the dramatic death throes of a giant star are playing out. It's part of a star system ...
This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...
Scientists have discovered four tiny planets circling our second-closest star system, Barnard’s Star. The reddish ball of gas is only six light-years away from Earth in the constellation Ophiuchus.
A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...