1+ day, 5+ hour ago   (411+ words) starlust.org What if dark energy is evolving? Comprehensive new dataset questions a core assumption For the first time, astronomers have assembled a catalog containing nearly 3,000 exploding stars. And now, all those stars are pointing them toward something they weren’t…...

3+ day, 15+ hour ago   (445+ words) When we think about how everything would come to an end, we often imagine that the universe would slowly fade into dark nothingness over time. But there’s a theory, famously known as the Big Rip, that says it could end…...

4+ day, 15+ hour ago   (437+ words) About 30 years ago, scientists made a discovery that changed what we thought we knew about the universe. They discovered that our universe was expanding instead of slowing down. And this expansion, in fact, was speeding up. But the story didn't…...

6+ day, 13+ hour ago   (387+ words) The observable universe is about 93 billion light-years in diameter, and the entire universe is even bigger than anything we can imagine. Most of the space in the universe appears to be empty, but is it really though? Now, we may…...

1+ week, 1+ day ago   (478+ words) In 1610, Galileo spotted the first-ever moons beyond our planet with just a basic lens. Centuries after that, the astronomer Edwin Hubble discovered the first-ever galaxy outside our own. And today, the James Webb Space Telescope helps us look back to…...

1+ week, 2+ day ago   (204+ words) Nearly a thousand years ago, astronomers witnessed a supernova so bright it was visible in daylight for weeks. Its remnant, the Crab Nebula, has continued expanding 6,500 light-years away ever since. In 2024, NASA's Hubble Space Telescope revisited the nebula, capturing a…...

1+ week, 5+ day ago   (171+ words) As per NASA, the Nancy Grace Roman Space Telescope will help scientists study some of the biggest mysteries of the universe, which include “dark matter, dark energy, exoplanets, and almost anything from our own solar system to galaxies at the…...

1+ week, 5+ day ago   (379+ words) Scientists from around the world have spent years studying the universe. While we know a lot more about the cosmos than we did a century ago, there are still many mysteries that we have yet to solve. One of the…...

1+ week, 5+ day ago   (282+ words) We can look deep into space and see billions of stars, galaxies, and other cosmic objects. But all of that visible matter makes up only a small part of what the universe is believed to contain. Much of the universe…...

1+ week, 6+ day ago   (282+ words) The SpaceX Falcon Heavy rocket carrying NASA’s Nancy Grace Roman Space Telescope on board is seen transiting the solar disk on the way to its intended position orbiting the second Sun-Earth Lagrange point. This highly elliptical path, similar to that…...