The presence of a third star in the Theta Eridani system has been used to explain why what currently looks like a very undistinguished star to the naked eye was once considered among the brightest in ...

Sometimes in science a negative result is just as important as a positive one. And sometimes data artifacts get the better of even the best space observatories. Both of those ideas seem to hold true ...

There's a bit of a historical mystery surrounding the star Theta Eridani. Ptolemy in the second century A.D. and al-Sufi in A.D. 964 both recorded Theta Eridani as one of the 13 brightest stars in the ...

Humanity’s story of Epsilon (ε) Eridani (Ran) is a case of life imitating art. Shining at 4th magnitude, Epsilon Eridani lies only 10.5 light-years distant, making it the third closest naked-eye star.

Astronomers announced the discovery of an exoplanet with 8.47 times Earth's mass and twice Earth's radius in the 40 Eridani star system, distant 17 light-years from our Sun. In the Star Trek universe, ...

Astronomers have spied a new alien world, 51 Eridani b, that they believe strikingly resembles a young Jupiter. With a mass only about twice that of our Solar System's king planet, 51 Eridani b stands ...

One of the many constellations that populate the November evening sky is the one known as Eridanus, the river. The actual mythological origins of Eridanus are not entirely clear – there are several ...

The Eridani System can be found at this location on the Starfield planetary map. Click the image to enlarge to full size for a better view ...