Astronomy Tonight

On April 3rd in the world of astronomy, one of the most significant events occurred in 1973 when the Mariner 10 spacecraft became the first to reach the planet Mercury! Picture this: It's the early 1...

3 Apr 20252min

On April 2nd in the world of astronomy, we celebrate the anniversary of a groundbreaking discovery made in 2009: the first detection of an exoplanet using the transit method from the surface of the Ea...

2 Apr 20251min

On April 1st in the world of astronomy, we celebrate the discovery of the first asteroid, Ceres, by Italian astronomer Giuseppe Piazzi in 1801. This discovery was no April Fool's joke, although it did...

1 Apr 20252min

On March 31st in astronomical history, one of the most exciting events occurred in 2017 when SpaceX successfully launched and landed a used Falcon 9 rocket booster for the first time. This groundbreak...

31 Mars 20252min

On March 30th in the world of astronomy, one of the most notable events occurred in 2014. On this day, astronomers announced the discovery of 2012 VP113, affectionately nicknamed "Biden" after then-Vi...

30 Mars 20252min

On March 29th in the field of astronomy, one of the most significant events occurred in 2004 when the International Astronomical Union (IAU) announced the discovery of Sedna, a trans-Neptunian object ...

29 Mars 20252min

On March 28th in the world of astronomy, one of the most significant events occurred in 1802. This was the day when Heinrich Wilhelm Olbers discovered the asteroid 2 Pallas, the second asteroid ever i...

28 Mars 20252min

On March 27th in the world of astronomy, one of the most significant events occurred in 1968. On this day, Soviet cosmonaut Yuri Gagarin, the first human to journey into outer space, tragically died i...

27 Mars 20252min