News

Science pitch inspired a documentary of the end of the dinosaur era

A new documentary about the end of the dinosaur era research will be screened on March 27 and April 2, 2025, at the 2025 DOCVILLE festival in Leuven. Named ‘De dag dat het zonlicht niet meer scheen’ (The day the sun stopped shining in English), it was based on a science pitch of Cem Berk Senel from the Royal Observatory [...]

Hera close flyby of Mars – The ROB took part in data analysis

On Mars 12 2025, at 13:51 (Belgian local time), the ESA Hera mission for planetary defence made a close flyby of the planet Mars and its moons Deimos and Phobos. Scientists took the opportunity to study Deimos, photograph Mars and Phobos and calibrate Hera instruments. Scientists from Royal Observatory of Belgium (ROB) take part in the data analysis of the [...]

Assault on Science in the United States – The Royal Observatory of Belgium Endorses the ALLEA Statement

Recent restrictions on science and scholarship brought by the new US administration executive orders have prompted the European Federation of Academies of Sciences and Humanities (ALLEA) to respond with a statement calling for their members, partners and like-minded organisations to take a stand to safeguard academic freedom and the autonomy of scientific institutions. The Royal Observatory of Belgium (ROB) endorses [...]

New Insights into the Mysterious Yellow Hypergiant Stars Outbursts

Brussels, 17 February 2025 – A recent five-year study has uncovered new insights into the properties of Yellow Hypergiants, a heavy star class known for their dramatic outbursts. Scientists focused on Rho Cassiopeiae (Rho Cas), HR 8752, and HR 5171A, revealing that Rho Cas exhibits cyclical outbursts every 10 to 40 years, with large fluctuations of its surface temperature. Alex [...]

Asteroid Impact Sulfur Release Less Lethal in Dinosaur Extinction

Previous studies posited that the mass extinction that wiped out the dinosaurs was caused by large volumes of sulfur released from rocks within the Chicxulub crater following the asteroid impact. A new paper published in the journal Nature Communications questions this scenario. The authors, including Cem Berk Senel and Özgür Karatekin of the Royal Observatory of Belgium, used groundbreaking empirical [...]

20th century Felt Earthquakes in Belgium

How many earthquakes were experienced in your municipality?
In 2024, the Seismology and Gravimetry section of the Royal Observatory of Belgium (ROB) published a new paper presenting an overview of a century of felt earthquakes in Belgium. Compiling the seismic impact on Belgium was rendered possible by reviewing all testimonies of the Belgian population to the ROB on how they experienced [...]