Which of the following asteroids is expected to fly exceptionally close to Earth in April 2029 and will be visible to the naked eye from parts of Europe, Africa, and Asia?

Which technology played a vital role in identifying a new type of supernova triggered by a star-black hole interaction through the analysis of large streams of astronomical data?

Which rare cosmic explosion, observed about 1.3 billion light-years away, is believed to be brighter and bluer than a typical kilonova due to extended heating from fallback matter?