Astronomy Tonight

On September 16, 1976, NASA's Viking 2 lander successfully touched down on Mars, becoming the second spacecraft to land on the Red Planet and perform scientific experiments on its surface. This histor...

16 Sep 20242min

On September 15, 1977, NASA's Voyager 1 spacecraft was launched from Cape Canaveral, Florida, on an epic journey that would take it to the outer reaches of our solar system and beyond. This intrepid e...

15 Sep 20242min

On September 14, 1959, the Soviet Union's Luna 2 spacecraft made history by becoming the first human-made object to reach the surface of the Moon. This momentous event marked a significant milestone i...

14 Sep 20242min

On September 13, 1922, a groundbreaking discovery was made by American astronomer Edwin Hubble. While observing the night sky at the Mount Wilson Observatory in California, Hubble spotted a Cepheid va...

13 Sep 20241min

On September 12, 1959, the Soviet Union's Luna 2 spacecraft made history by becoming the first human-made object to reach the surface of the Moon. This monumental achievement marked a significant mile...

12 Sep 20242min

On September 11, 1985, a remarkable astronomical event took place that left stargazers and scientists in awe. The International Cometary Explorer (ICE) spacecraft, originally known as the Internationa...

11 Sep 20242min

On September 10, 1892, an exciting discovery was made by American astronomer Edward Emerson Barnard at the Lick Observatory in California. While observing the night sky through the observatory's 36-in...

10 Sep 20242min

On September 9th, 1975, a remarkable discovery was made that would forever change our understanding of the outer reaches of our solar system. On this fateful day, the Viking 2 spacecraft, launched by ...

9 Sep 20242min