2025 in science

The following scientific events occurred, or are scheduled to occur in 2025. The United Nations declared 2025 the International year of quantum science and technology.

• 1 January – Detailed telemetry data from the Parker Solar Probe is received, following its passage through the Sun's corona.^[1]
• 2 January
  • The biggest dinosaur fossil trackway ever found in the UK is reported at a quarry in Oxfordshire, consisting of 200 huge footprints made during the mid-Jurassic.^[2]
  • Bioengineers at Rice University report having developed a novel "construction kit" for building custom sense-and-respond circuits in human cells.^[3][4]
• 3 January – Researchers report discovering a new class of anti-malaria antibodies.^[5][6]
• 8 January – Scientists publish a comprehensive map of protein locations within human cells, offering potential new insights into how cells respond to infections and other changing circumstances.^[7]
• 9 January – The El Capitan supercomputer is officially dedicated at the Lawrence Livermore National Laboratory in Livermore, United States.^[8]
• 10 January
  • The European Copernicus Climate Change Service reports that 2024 was the world's hottest year on record, and the first calendar year to pass the symbolic threshold of 1.5°C of global warming.^[9]
  • The first fully 3D printed microscope is revealed by the University of Strathclyde, made in just a few hours and for a fraction of the cost of traditional devices.^[10]
• 13 January – Researchers discover what could be the world's oldest three-dimensional map in a cave in the Paris Basin of France, dating back 13,000 years.^[11]
• 15 January – The European Space Agency's Gaia spacecraft ends its operation after 11 years of mapping the Milky Way galaxy, during which time it made three trillion observations of two billion stars.^[12]
• 16 January
  • Microsoft researchers publish details of MatterGen, a generative AI tool for materials design.^[13]
  • The first two-dimensional (2D) mechanically interlocked material is demonstrated by Northwestern University, consisting of 100 trillion bonds per square centimetre, which its creators describe as having exceptional flexibility and strength.^[14] Adding just 2.5% of the new material to Ultem boosted the latter's tensile modulus by 45%.^[15]
  • The air monitoring station at Mauna Loa Observatory in Hawaii reports that CO₂ jumped by 3.58 parts per million (ppm) in 2024, exceeding the previous record of 3.36 ppm set in 2023. The global atmospheric concentration of CO₂ is now at 427 ppm, more than 50% higher than the pre-industrial level.^[16][17]
• 21 January
  • Coral bleaching on the southern Great Barrier Reef in early 2024 is reported to have struck 80% of colonies, with some coral genera, such as Acropora, experiencing a 95% mortality rate.^[18]
  • More than a third (34%) of the Arctic-boreal zone is now reported to be a source of carbon emissions, rather than a carbon sink, a figure that rises to 40% when including emissions from fires.^[19]

• 20 May – The 150th anniversary of the signing of the Metre Convention will be celebrated, which established the BIPM, one of the first International Organizations.
• 22 June – The Royal Observatory Greenwich will celebrate its 350th anniversary.^[20]

• NASA's IMAP probe will launch toward Lagrange point 1 to collect interstellar dust and investigate space weather.^[21]
• The Venus Life Finder spacecraft is expected to arrive at Venus.^[22][23]
• The Vera C. Rubin Observatory is expected to begin science operations in late 2025.^[24][25]
• Science-related budgets
  •  US: Various details about planned science-related spending for 2025 have been described with some information on the planned research subjects or areas.^[26][27]

• Category:Science events
• Category:Science timelines
• List of emerging technologies
• List of years in science

• Media related to 2025 in science at Wikimedia Commons