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US Stealth Arsenal Shines in Iran War: 5 Most Lethal Weapons Dominating 2026 Conflict

WASHINGTON — As the U.S.-Iran conflict enters its seventh week in April 2026, America's advanced stealth weapons have proven decisive in degrading Iranian air defenses, missile sites and nuclear infrastructure while minimizing risk to U.S. personnel. From long-range cruise missiles to next-generation aircraft, these systems have allowed precise strikes deep inside contested airspace.
 Ocean Planet 30% Water by Mass? 'Can't Even Compare to

(VIDEO) Ocean Planet 30% Water by Mass? 'Can't Even Compare to Earth'—What Is TOI-1452 b?

MONTREAL — Astronomers have identified a distant world that could rewrite understanding of planetary composition: an exoplanet potentially made up of as much as 30 percent water by mass, a staggering fraction that dwarfs Earth's meager water content and suggests a globe-spanning ocean hundreds of kilometers deep with no continents in sight.
Artemis II Crew Splashes Down Safely After Record-Breaking Moon Flyby

(VIDEO) Artemis II Crew Splashes Down Safely After Record-Breaking Moon Flyby

SAN DIEGO — NASA's Artemis II astronauts splashed down safely in the Pacific Ocean off California's coast Friday night, capping a historic 10-day voyage around the Moon that marked humanity's first crewed lunar mission in more than half a century and set a new record for the farthest distance humans have ever traveled from Earth.
Artemis II Crew

(VIDEO) Artemis II Crew Poised for Historic Pacific Splashdown After 10-Day Lunar Odyssey

HOUSTON — Four astronauts aboard NASA's Orion spacecraft hurtled toward Earth on Friday, April 10, 2026, capping a groundbreaking 10-day journey around the Moon — the first crewed lunar mission in more than half a century — with a high-stakes splashdown expected in the Pacific Ocean off San Diego at approximately 8:07 p.m. EDT (5:07 p.m. PDT).
NASA's 'Moon Joy' Video Captures Artemis II Crew's Historic Lunar

(VIDEO) NASA's 'Moon Joy' Video Captures Artemis II Crew's Historic Lunar Adventure Before Today's Splashdown

HOUSTON — As NASA's Artemis II astronauts hurtle back toward Earth aboard the Orion spacecraft, the agency on Friday released a video compilation celebrating the "Moon joy" — an intense happiness and excitement unique to lunar missions — that the four-person crew has experienced during humanity's first crewed voyage around the Moon in more than half a century.
NASA Confirms Daytime Fireball Over Philly: Meteor Blazed at 30,000

(VIDEO) NASA Confirms Daytime Fireball Over Philly: Meteor Blazed at 30,000 MPH Across Northeast

PHILADELPHIA — A brilliant daytime fireball streaked across the skies over the Philadelphia region and parts of five states Tuesday afternoon, prompting hundreds of eyewitness reports and drawing swift analysis from NASA's Meteoroid Environments Office, which released detailed trajectory data confirming the event as a meteor burning up high in Earth's atmosphere.
(VIDEO) Trump Congratulates Artemis II Astronauts in Historic Space Call

(VIDEO) Trump Congratulates Artemis II Astronauts in Historic Space Call After Record Lunar Distance

WASHINGTON — President Donald Trump spoke directly with the four astronauts aboard NASA's Orion spacecraft Monday, offering personal congratulations moments after the Artemis II crew shattered the 56-year-old record for farthest humans have traveled from Earth, in a live call broadcast by the White House that blended presidential praise, national pride and forward-looking space ambitions.
The student thought it was a passing flu until diagnosis proved otherwise. In this image, a picture of a human brain taken by a positron emission tomography scanner, also called PET scan, is seen on a screen at the Regional and University Hospital Center

UCSF Scientists Restore Memory in Aging Mice by Lowering Brain Protein FTL1, Sparking Hope for Human Therapies

SAN FRANCISCO — Researchers at the University of California, San Francisco, have reversed key aspects of age-related cognitive decline in older mice by reducing levels of a single protein called FTL1 in the hippocampus, the brain region critical for learning and memory, according to a study that continues to draw attention more than seven months after its publication.
(VIDEO) Artemis II Launch: 4 Astronauts Blast Off on Historic

(VIDEO) Artemis II Launch: 4 Astronauts Blast Off on Historic Crewed Moon Mission

Four astronauts rocketed away from Earth aboard NASA's Space Launch System rocket Wednesday evening, embarking on Artemis II — the first crewed lunar mission in more than half a century — on a daring 10-day journey that will take them around the far side of the moon and farther from home than any humans have traveled before.

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