1+ day, 9+ hour ago   (473+ words) September's new moon opens a dark window for seeing zodiacal light, the ghostly cone of interplanetary dust that rises above the eastern horizon before dawn. Some stargazing feels like you know exactly what you are looking for, but you're still…...

2+ day, 10+ hour ago   (310+ words) The Summer Triangle dominates the night sky long after summer begins to fade. So what makes Vega, Altair and Deneb a distinctly summer sight? On clear September evenings, I often find myself looking up just after dusk, expecting the sky…...

2+ day, 14+ hour ago   (349+ words) "Instead of confirming the standard model of cosmology, which assumes dark energy is fixed and unchanging, we have more evidence that dark energy may change over time." A catalog of almost 3,000 white dwarfs that exploded as type Ia supernovas after…...

2+ day, 15+ hour ago   (333+ words) "It made us think that there's a process obscuring shortening structures." Wrinkles on the surface of Mercury have revealed that the closest planet to the sun is shrinking faster than scientists thought. New research suggests that Mercury is shrinking between…...

3+ day, 9+ hour ago   (437+ words) "Like light, gravitational waves can also be deflected, magnified, and split into multiple signals by massive objects." A "forbidden" merger between two massive black holes may not have been quite as impossible as previously thought. That's according to new research…...

3+ day, 11+ hour ago   (426+ words) "For the first time, we were able to watch two massive stars move around one another while they were still being born." Using the ALMA (Atacama Large Millimeter/submillimeter Array) radio telescope, astronomers have watched as two stars come together…...

3+ day, 12+ hour ago   (649+ words) "When you look up at the night sky, most of those stars have planets." But while coronagraphs have been used many times before, the one that just launched toward the stars is unprecedented. "The Roman Space Telescope is carrying the…...

3+ day, 17+ hour ago   (80+ words) Space Your membership journey starts here. Keep exploring and earning more as a member. Latest space missions, discoveries and exploration updates. Stargazing tips, cosmic events and expert insights on the universe Start exploring exclusive deals, expert advice and more Never…...

3+ day, 18+ hour ago   (324+ words) A ghostly "false dawn" is about to light up the predawn sky — if you know where to look. Starting today (Sept. 9), skywatchers in the Northern Hemisphere have a chance to spot one of the night sky's more elusive sights: the…...

4+ day, 11+ hour ago   (521+ words) "To explore strange new worlds; to seek out new life and new civilizations; to boldly go where no one has gone before!" September 8th, 1966 was a Thursday. Not a fresh-start-Monday or an exciting Saturday. A regular old Thursday; except that this…...