Claims of Russian Space Nuke Hint at Signs of a New Arms Race : ScienceAlert

Fresh US intelligence circulating in Congress reportedly indicates that Russia is developing an anti-satellite weapon in space with a nuclear component. News reports speculating about what the weapon could be abounded after Rep. Mike Turner, R-Ohio, chair of the House Intelligence Committee, released a cryptic but alarming statement on Feb. 14, 2024, regarding the information, … Read more

Uruguay signs Artemis Accords for responsible space exploration

Uruguay has joined the United States’ effort to establish widespread principles to guide space exploration. Uruguay’s foreign minister Omar Paganini signed the Artemis Accords on behalf of the South American country during the annual U.S.-Uruguay bilateral inter-ministerial dialogue on Feb. 15 in Washington, D.C. NASA Administrator Bill Nelson participated in the signing ceremony for the … Read more

One of The World’s Most Mysterious Whales Shows Signs of Holding Traditions : ScienceAlert

Repeated sightings of an elusive whale in a strange place could indicate a cultural tradition. Scientists have repeatedly seen a group of Baird’s beaked whales (Berardius bairdii) frolicking in shallow waters around the Commander Islands, at the border between the Pacific Ocean and the Bering Sea. The strange part? Baird’s beaked whales, like all beaked … Read more

Greece signs Artemis Accords for responsible moon exploration

Greece is the latest country to sign up to the United States’ club for guiding principles of space exploration. Greece’s foreign minister, Giorgos Gerapetritis, signed the Artemis Accords on behalf of his country at the U.S. State Department on Feb. 9, during a wider U.S.-Greece Strategic Dialogue meeting. “Congratulations to Greece on becoming the 35th … Read more

Belgium signs Artemis Accords for responsible moon exploration

Another nation has joined the United States’ moon-exploration framework. Belgium signed the Artemis Accords on Tuesday (Jan. 23), becoming the 34th country to do so. “Congratulations to Belgium on becoming the newest member of the Artemis Accords family,” NASA Administrator Bill Nelson said in a statement. “It’s clear that countries around the world understand the … Read more

Startling Signs of Gravity’s Laws Breaking Down Detected in Twin Stars : ScienceAlert

In 1859, French astronomer and mathematician Urbain Le Verrier detected something strange: Mercury deviated in its dance around the Sun, defying the orderly precession predicted by Newtonian physics. This odd anomaly couldn’t be explained by unknown planets tugging at Mercury’s orbit; only by physicist Albert Einstein’s 1915 general theory of relativity, which describes how gravity … Read more

Radar Reveals Signs of Volcanic Activity on Mars Far More Recently Than Expected : ScienceAlert

It’s time to put the notion of a cold, lifeless Mars to bed. A new survey using satellite imagery and ground penetrating radar has revealed signs of volcanic activity that’s far more recent than anyone ever expected. Combined with other pieces of evidence, the discovery reveals that under its barren crust, Mars might have quite … Read more

Signs of life shooting from Saturn’s moon Enceladus would be detectable by spacecraft, scientists say

When NASA’s Cassini spacecraft turned its instruments to Saturn’s moon Enceladus, it observed plumes of ice shooting up from the moon’s surface at speeds of about 900 miles per hour (1,448 kilometers per hour). These geysers seemed to be the tendrils of a vast subsurface ocean — and made scientists curious if their fluid might … Read more