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Watch Live: White House briefing on COVID-19

A worn USAID sign on a green rusty box

A large group of people marches at the Stand Up For Science rally

an illustration of the bacteria behind tuberculosis

An illustration of particles of the measles virus in red and white against a dark background.

an illustration of vaccine syringes with a blue sky behind them

A two paneled image. On the left, a microscope image of the rete ovarii. On the right, an illustration of exoplanet k2-18b

A woman lies in bed looking tired and sick

A doctor places a bandaids on a patient�s arm after giving them a shot

An illustration of Y shaped antibodies in front of a coronavirus particle, blurred in the background

An older man stands in front of the National Covid Memorial Wall in London in the UK.

A young woman in a surgical mask sit in a doctor�s office as a doctor cleans her arm for a vaccination

an open box of astrazeneca vaccine vials, with one vial pulled out to show the label

An image comparing the relative sizes of our solar system�s known dwarf planets, including the newly discovered 2017 OF201

an illustration showing a large disk of material around a star

a person holds a GLP-1 injector

A man with light skin and dark hair and beard leans back in a wooden boat, rowing with oars into the sea

an MRI scan of a brain

A photograph of two of Colossal�s genetically engineered wolves as pups.

two ants on a branch lift part of a plant