Astronomy Tonight

On June 23rd, in the year 1995, a truly remarkable event occurred in the field of astronomy that had stargazers and scientists alike buzzing with excitement. On this day, the Galileo spacecraft, which...

23 Jun 20252min

On June 22, 1978, James Christy, an astronomer at the United States Naval Observatory, made a groundbreaking discovery that would forever change our understanding of the outer solar system. While exam...

22 Jun 20251min

On June 21st, the most significant astronomical event is the occurrence of the summer solstice in the Northern Hemisphere (and winter solstice in the Southern Hemisphere). This is the day when the Nor...

21 Jun 20252min

On June 20th in the realm of astronomy, one of the most exciting events occurred back in 1944 with the discovery of Pluto's moon, Charon. This discovery was made by James Christy at the United States ...

20 Jun 20251min

On June 19th in the world of astronomy, one of the most significant events occurred in 1999: the discovery of the first known "hot Jupiter" exoplanet, HD 209458 b, also nicknamed "Osiris." This groun...

19 Jun 20252min

On June 18th in the world of astronomy, one of the most significant events occurred in 1983. On this date, the Space Shuttle Challenger launched on mission STS-7, carrying astronaut Sally Ride, who be...

18 Jun 20252min

On June 17th in the world of astronomy, one of the most significant events occurred in 1985. On this day, the international community of astronomers and space enthusiasts witnessed the launch of Space...

17 Jun 20251min

On June 16th in the world of astronomy, we celebrate the anniversary of the first-ever X-ray photograph of the Sun, taken in 1973 by the Skylab space station. This groundbreaking image revolutionized ...

16 Jun 20251min