A time capsule from billions of years ago.

Ukraine rejected a Russian ceasefire proposal that would require Kyiv to hand over territory to Moscow and drop its NATO membership goal, blasting Russian President Vladimir Putin for trying to cast himself as a peacemaker.  “It is absurd for Putin, who planned, prepared, and executed, together with his accomplices, the largest armed aggression in Europe since the Second World War, to present himself as a peacemaker and to put forward options for ending the war he started that...

Artificial intelligence may come for our jobs one day, but before that happens, the data centers it relies on are going to need a lot of electricity. So how do we power them and millions of U.S. homes and businesses without generating more climate-warming gases? Microsoft founder, billionaire philanthropist and investor Bill Gates is betting that nuclear power is key to meeting that need — and he’s digging into his own pockets to try and make it happen. Gates has invested $1 billion...

TOPLINE The arrests of two executives of a large telehealth medication company may worsen an almost two-year ADHD medication shortage and disrupt the care of upwards of 50,000 patients across the country, but the CDC warns against seeking treatment from the illegal drug market as an alternative. KEY FACTS Following the Thursday arrests of two telehealth executives who were working with the company Done Global Inc., the Centers for Disease Control and Prevention issued a health...

The Biden administration announced sanctions on Friday against the Israeli right-wing organization "Tzav 9" for blocking humanitarian aid convoys to Gaza, two sources with knowledge of the decision told Axios. Why it matters: The flow of aid into Gaza has been hampered in recent weeks by numerous factors, including the closure of the Rafah corridor. Efforts by right-wing Israeli activists to block convoys coming from Jordan — with the apparent support of...

The Supreme Court on Friday overturned a Trump-era ban on bump stocks, ruling that the Bureau of Alcohol, Tobacco, Firearms and Explosives exceeded its authority by determining that the gun attachments turn firearms into machine guns. The case was decided 6-3, with Justice Clarence Thomas writing the majority opinion and Justice Samuel Alito concurring. Justices Sonia Sotomayor, Elena Kagan and Ketanji Brown Jackson, the courts three liberals, dissented. What are bump...