A new model of star formation supports the theory that most, if not all, stars are born in a litter with at least one sibling. Our own star at the center of the Solar System is most likely no exception, … Read More
Albert Einstein’s general theory of relativity has passed another test. Researchers have detected a subtle shift in the orbit of the closest known star to the supermassive black hole at the center of the Milky Way after nearly three decades … Read More
The James Webb Space Telescope has seen its first star (though not quite tonight) – and even taken a selfie, NASA announced on Friday. The steps are part of a months-long process of aligning the observatory’s massive golden mirror, which … Read More
For the first time, astronomers have observed a white dwarf star ‘switching on and off’ in less than 30 minutes. The researchers, led by Durham University in the United Kingdom, announced on October 18 that they used NASA’s Transiting Exoplanet … Read More
With only one star in the sky, our Solar System appears to be an outlier. Most stars in the Milky Way galaxy have at least one gravitationally bound stellar companion, implying that two-star worlds such as Tatooine are not uncommon. … Read More
A rare nova visible to the eye If you look carefully into the night sky, you might spot a star that wasn’t visible last week. A star named RS Ophiuchi, located about 4,566 light-years away in the equatorial constellation of … Read More