An ASTROPHYSICIST'S TOP 5 space news stories of 2025

By Dr. Becky

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2025 has seen a LOT of big astrophysics and astronomy news announced, and while I’ve tried to cover as much as I can on this channel, I could never keep up with the pace of work of my colleagues because over 33,000 astronomy research papers have been published in 2025 alone! Some of those made a bigger impact than others though, so as is becoming tradition on this channel, I figured since we’re nearing the end of the year, let’s count down my Top 5 biggest space news stories of 2025... 00:00 - Introduction 00:43 - NUMBER 5 02:14 - NUMBER 4 04:08 - NUMBER 3 06:22 - NUMBER 2 07:57 - NUMBER 1 Madhusudhan et al. (2025) - https://arxiv.org/pdf/2504.12267 Madhusudhan et la. (2023) - https://arxiv.org/pdf/2309.05566 Taylor et al. (2025) - https://arxiv.org/pdf/2504.15916 Luque et al. (2025) - https://arxiv.org/pdf/2505.13407 Wellbanks et al. (2025) - https://arxiv.org/pdf/2504.21788 More on the DESI data release and research papers - https://www.desi.lbl.gov/2025/03/19/desi-dr2-res