7+ mon, 1+ week ago   (645+ words) For Stars, It’s Not Easy Being Green Stars emit lots of green light, but our eyes don’t let us see them that way Every night before bedtime, I take my dogs outside to do their doggy business, letting them run…...

10+ hour, 31+ min ago   (457+ words) Ten cosmic discoveries we’ll get from NASA’s Roman Space Telescope NASA’s Roman Space Telescope will open a whole new window on the cosmos. Here are 10 things it’s likely to show us By Joseph Howlett edited by Lee Billings After more…...

6+ hour, 21+ min ago   (418+ words) In a near-total lunar eclipse, the moon turned red-orange for viewers in North America, Europe and Africa By Jackie Flynn Mogensen edited by Clara Moskowitz Last night’s near-total lunar eclipse did not disappoint. In the second and final lunar eclipse…...

2+ day, 5+ hour ago   (383+ words) The Red Planet’s global geography of low-lying northern plains and rugged southern highlands seems to have surprisingly deep roots, with profound implications for Mars’s ancient habitability By Jacek Krywko edited by Lee Billings An artist’s concept of an ocean in…...

2+ day, 6+ hour ago   (592+ words) The more scientists try to understand dark energy, the more its mysteries seem to grow. NASA’s newest space telescope is custom-built to crack the case By Meghan Bartels edited by Lee Billings Scientists know so little about the most dominant…...

3+ day, 4+ hour ago   (381+ words) You need to see the ‘blood moon’ lunar eclipse this week This near-total eclipse will be visible from the Americas, Africa, and Europe—here’s how to see it Sky gazers who were disappointed not to catch the total solar eclipse…...

4+ day, 9+ hour ago   (497+ words) Pluto still isn’t a planet—unless Earth’s moon is, too On the 20th anniversary of Pluto’s infamous demotion, Mike “Pluto Killer” Brown explains why any reversal of that decision would be driven more by nostalgia than science Pluto’s thin, hazy atmosphere…...

1+ week, 9+ hour ago   (614+ words) Can we stop calling exoplanets ‘Earth-like,’ please? Claiming an exoplanet to be “Earth-like” is a trend that needs to bite the dust From what I can gather, Freddie Mercury—the rightfully celebrated lead singer of Queen—was about the same…...

1+ week, 2+ day ago   (260+ words) The star S301 swoops so close to our galaxy's supermassive black hole that it could, for the first time ever, reveal that dark behemoth's rotation By Sanidhya Sharma edited by Lee Billings Nothing can escape a black hole—except, potentially, its…...

2+ week, 1+ day ago   (209+ words) Relive the 2026 total solar eclipse, as seen by a drone over Spain This article is part of a special report on the total solar eclipse that offered the best views from the Arctic Circle, Iceland, Spain and parts of Portugal…...