 
					Lisa Grossman is the astronomy writer for Science News. Previously she was a news editor at New Scientist, where she ran the physical sciences section of the magazine for three years. Before that, she spent three years at New Scientist as a reporter, covering space, physics and astronomy. She has a degree in astronomy from Cornell University and a graduate certificate in science writing from UC Santa Cruz. Lisa was a finalist for the AGU David Perlman Award for Excellence in Science Journalism, and received the Institute of Physics/Science and Technology Facilities Council physics writing award and the AAS Solar Physics Division Popular Writing Award. She interned at Science News in 2009-2010.
 
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All Stories by Lisa Grossman
- 			 Physics PhysicsThe M87 black hole image showed the best way to measure black hole massesThe first image of M87’s black hole suggests it is 6.5 billion times the mass of the sun — close to what was expected based on how stars move around it. 
- 			 Planetary Science Planetary ScienceA 2014 meteor may have come from another solar systemScientists have identified a possible interstellar meteor, and think it could be one of millions that have visited Earth over the planet’s history. 
- 			 Planetary Science Planetary ScienceMeteor showers dig up water on the moonMeteorites release water from the moon’s soil, hinting that the moon has water buried all across its surface. 
- 			 Astronomy AstronomyThe first picture of a black hole opens a new era of astrophysicsAstronomers used a network of telescopes around the world to take a picture of the supermassive black hole in the galaxy M87. 
- 			 Planetary Science Planetary ScienceHayabusa2 has blasted the surface of asteroid Ryugu to make a craterJapan’s Hayabusa2 spacecraft shot a projectile at Ryugu. Next: collecting asteroid dust from the probable impact crater left behind. 
- 			 Planetary Science Planetary ScienceMetal asteroids may have once had iron-spewing volcanoesTwo groups of scientists introduce the idea of “ferrovolcanism,” or iron volcanoes, that could have occurred on metal asteroids like Psyche. 
- 			 Astronomy Astronomy4 things we’ll learn from the first closeup image of a black holeScientists are gearing up to release the first image of the black hole at the center of the galaxy. Here’s what they hope to find out. 
- 			 Planetary Science Planetary ScienceSaturn’s rings paint some of its moons shades of blue and redMoons located among Saturn’s inner rings are different colors depending on their distance from the planet, suggesting they’re picking up ring debris. 
- 			 Planetary Science Planetary ScienceKuiper Belt dust may be in our atmosphere (and NASA labs) right nowBits of space debris that collect in Earth’s atmosphere may come from as far as the cold, distant Kuiper Belt region beyond Neptune. 
- 			 Planetary Science Planetary ScienceRyugu is probably a chip off one of these two other asteroidsJapan’s Hayabusa2 team has narrowed down the asteroid Ryugu’s origins based on its color. 
- 			 Planetary Science Planetary ScienceSurprising astronomers, Bennu spits plumes of dust into spaceBennu spews dust from its rocky surface, which may be a new kind of asteroid activity. 
- 			 Planetary Science Planetary ScienceUltima Thule may be a frankenworldThe first geologic map of Ultima Thule shows it might be made of many smaller rocks that clumped together under the force of their own gravity.