NASA’s Hubble Space Telescope confirms the observations of Earthbound astronomers with high-powered telescopes: a new dark atmospheric feature has emerged on the planet Neptune, signifying a major new storm system in the planet’s atmosphere. The new vortex feature emerges near the south polar area of Neptune, and was first observed by telescope in 2015.

The CW airs the 68th episode of The Flash, a modern-day reboot of DC Comics’ superhero starring Grant Gustin.
The 29th episode of the science fiction series The Expanse, based on the series of novels by James S.A. Corey (a pseudonym for writers Ty Franck and Daniel Abraham), is broadcast on cable channel Syfy. Elizabeth Mitchell (Lost, V) guest stars.
The eighth episode of Jordan Peele’s revival of Rod Serling’s science fiction anthology series The Twilight Zone streams on CBS All Access. Ginnifer Goodwin (Once Upon A Time) and James Frain (Star Trek: Discovery) star.
The CW airs the 34th episode of Batwoman starring Javicia Leslie, Rachel Skarsten, and Meagan Tandy.
The CW airs the 85th episode of Legends Of Tomorrow, starring Caity Lotz, Matt Ryan, Jes Macallan, and Tala Ashe.