Time to breathe a sigh of relief. The asteroid that once posed the greatest impact risk to Earth in recorded history now has an effective 0% chance of striking our planet. The probability of asteroid 2024 YR4 hitting Earth was reduced to zero thanks to new data collected on Sunday, Feb. 23. Discovered in Dec. … Read more
The concept of the “great filter” to explain why so far we seem to be alone in the universe is based on erroneous assumptions, according to a new model that describes how life on Earth evolved in step with changing geobiological conditions rather than through a series of improbable events. “We’re arguing that intelligent life … Read more
Using 16 years of data from NASA’s gamma-ray detecting Fermi spacecraft, astronomers have discovered that “microquasars,” systems in which a black hole is slowly devouring a star, may be small, but they pack one heck of a punch. Despite their diminutive nature, this research suggests even microquasars snacking on small stars can have an impressive … Read more
The great solar storm of May 2024, which sparked beautiful auroral displays over much of the world, also created two new radiation belts that were observed with a satellite that came back from the dead. “This is really stunning,” Xinlin Li, a professor at the Laboratory for Atmospheric and Space Physics at the University of … Read more
What would happen if Earth were struck by another catastrophic asteroid? While such an event would be devastating, researchers at the IBS Center for Climate Physics (ICCP) at Pusan National University in South Korea wondered specifically how Earth’s climate and ecosystems might change in the aftermath of such an impact. They calculated that there is … Read more
For centuries, humanity has dreamed of exploring distant planets. With the upcoming Artemis 2 mission taking astronauts around the moon, NASA is taking its first steps toward future crewed missions to Mars in the 2030s and 2040s. But you don’t need to leave Earth to experience landscapes that feel out of this world. From volcanic … Read more
The Hershey Bears hoist the Calder Cup following a victory against the Coachella Valley Firebirds in Game 6 of the Calder Cup Finals. Travis Boyd/Special to the Daily News / USA TODAY NETWORK There are enough on-the-nose context clues sprinkled throughout Hershey, Pa., that it doesn’t take a Mensa member to decipher the town’s chief … Read more
Scientists are calling for the cataloging of human artifacts left on Mars — from spacecraft and landers to rovers, probes, and other debris — to document humanity’s earliest steps in interplanetary exploration. “Our main argument is that Homo sapiens are currently undergoing a dispersal, which first started out of Africa, reached other continents, and has … Read more