3+ hour, 10+ min ago  (90+ words) Perseverance has travelled almost 26 miles, or 42 km. That's just shy of a marathon, which is 26. 2 miles or 42. 195 kilometers. Along the way, it's abraded and studied 62 rocks and collected 27 rock cores. And it's not done yet....

6+ hour, 34+ min ago  (60+ words) Hot Jupiters are the bullies of the planetary world. These colossal gas giants orbit impossibly close to their stars and their gravity is so overwhelming that anything nearby gets scattered, swallowed, or flung into oblivion. Finding a smaller planet surviving…...

1+ day, 3+ hour ago  (347+ words) A close flyby past the Red Planet this week will send NASA's Psyche mission on its way towards its final destination. The mission's closest approach to Mars occurs on Friday, May 15th, when the spacecraft passes only 4, 500 kilometers (2, 800 miles) from the…...

1+ day, 2+ hour ago  (188+ words) Many of the 61 volunteer authors of the paper (out of a total of more than 200, 000 volunteers that contributed to the project over the years) were absolutely thrilled to get a scientific credit to their name. "When I received news about…...

1+ day, 8+ hour ago  (115+ words) Step outside on a clear night almost anywhere in Britain and look up. Chances are you won't see much. An orange coloured washed out glow hangs over every town and city, drowning the stars in a tide of misdirected light....

1+ day, 9+ hour ago  (374+ words) When scientists at the Green Bank Observatory shared a fuzzy image of a few scattered pixels with their colleagues, the reaction wasn't exactly awe. Then one of them said it quietly: "There are four people in those pixels." That single…...

1+ day, 19+ hour ago  (219+ words) In 2025, a retreating glacier in Alaska caused a landslide into a fjord named Tracy Arm. The landslide triggered a tsunami that swept down the fjord into the ocean. The tsunami reached a height of more than 480 meters, the second highest…...

2+ day, 5+ hour ago  (109+ words) On a February morning in 2013, a rock the size of a house appeared without warning in the skies above Russia. The scary thing is that nobody saw it coming. The Meer KAT radio telescope (Credit: Morganoshell) ESA's Meer KAT Asteroid…...

2+ day, 19+ hour ago  (432+ words) Decades of research shows that Earth was once entirely or almost entirely frozen. The episode is known as Snowball Earth, and though its occurrence is widely accepted, many of its details remain hypothetical. Snowball Earth took place in Earth's Cryogenian…...

2+ day, 23+ hour ago  (891+ words) Universe Today Welcome back to our ongoing series, A Brief-ish History of SETI, where we examine the ideas and milestones that have come to define the Search for Extraterrestrial Intelligence (SETI). In Part I, we looked at the purpose and…...