Sunday, April 26, 2026

The Sun fired two powerful X-class solar flares within seven hours on April 23-24, causing temporary radio blackouts across the Pacific, Australia, and East Asia. Solar physicist Ryan French noted these were the strongest flares recorded in 78 days, as the Sun remains in the peak phase of its 11-year activity cycle.^[1]

U.S. Customs and Border Protection has launched a refund portal for businesses to reclaim up to $166 billion in tariffs struck down by the Supreme Court in February, which ruled President Trump's emergency tariffs exceeded presidential authority. Over 330,000 importers who paid duties on 53 million shipments may be eligible for refunds within 60 to 90 days.^[2]

Palestinians in Gaza's Deir al-Balah and the occupied West Bank voted in municipal elections on Saturday—the first election held in Gaza in 20 years and the first in the West Bank since the Israel-Hamas war began. About 70,000 eligible voters in Deir al-Balah participated in what officials called a "pilot" aimed at politically linking Gaza and the West Bank.^[3]

Researchers from Hebrew University have published findings from Tinshemet Cave showing that Neanderthals and Homo sapiens actively interacted 110,000 years ago in the Levant, sharing technology, lifestyles, and burial customs. The study suggests human connections, rather than isolation, were key drivers of early technological and cultural advancements.^[4]

Scientists have developed a fuel cell that uses microbes in soil to generate electricity, capable of powering underground sensors for monitoring moisture or detecting touch without batteries or solar panels. The device works in both wet and dry conditions.^[5]

A 550-million-year-old sea sponge fossil discovered by Virginia Tech researchers is solving a 160-million-year gap in the fossil record by showing that early sponges likely lacked hard skeletal parts. The finding changes how scientists search for the origins of animal life.^[6]

An international collaboration using data from the Hubble and James Webb space telescopes has developed a new framework incorporating multiple distance-measuring methods to produce a more precise measurement of the universe's expansion rate, known as the Hubble constant.^[7]

A new study proposes detecting extraterrestrial life by identifying statistical patterns across multiple planets rather than focusing on traditional biosignatures on individual worlds. If life spreads and reshapes planetary environments, researchers say, its fingerprints could show up across entire planetary systems.^[8]

President Trump canceled his delegation's planned trip to Pakistan for peace talks after Iran's Foreign Minister Abbas Araghchi departed Islamabad. Trump said envoys would no longer make 18-hour flights for talks and that Iran could reach the U.S. by telephone, though he clarified the ceasefire remains in effect.^[9]