It's a question that has plagued astronomers for years: How did supermassive black holes, which can weigh billions of times the mass of the sun, grow so large, so quickly? Now, scientists are closer … [+4070 chars]
The dust buildup on the NASA Jet Propulsion Laboratory's InSight Mars lander is severe enough to see from orbit. You can see the red Martian regolith covering the lander, which touched down in Novem… [+2706 chars]
In this illustration, an asteroid is shown in the foreground in the lower left. The two bright points above it on the far left are Earth (right) and the moon (left). The sun appears on the right. … [+3257 chars]
In this illustration, an asteroid is shown in the foreground in the lower left. The two bright points above it on the far left are Earth (right) and the moon (left). The sun appears on the right. … [+3257 chars]
A sunspot that "awoke from the dead" last week and erupted with a medium-size solar flare, along with a mass ejection of plasma, also lit up the northern skies in glowing lights. One stunning image o… [+2945 chars]
When it comes to food, humanitys looking down the barrel of a gun. The worlds population will balloon to almost 9.8 billion by 2050, leading to an expected 60-percent increase in demand for food. And… [+3809 chars]