scientist articles
What kind of scientists work for NASA?
The actual work happening at NASA extends far beyond the highly visible roles of astronauts; it requires a vast and spec...
Who thought there were canals on Mars?
The belief that the ruddy face of Mars was scored by vast, artificial networks of waterways captivated scientists and th...
What is Edwin Hubble remembered for?
Edwin Hubble is one of the towering figures in 20th-century science, forever remembered because his work fundamentally r...
What were Percival Lowell's observations on Mars?
Percival Lowell, born in 1855, was a wealthy Bostonian whose later life became inextricably linked with the rusty hue of...
How do scientists know how far away stars are?
Determining the true distance to a star is one of the most fundamental and challenging tasks in astronomy. Stars do not ...
How do scientists determine the distance to the furthest stars and galaxies?
The challenge of understanding the universe’s true scale begins with a fundamental question: how far away are those twin...
How do scientists discover other planets around their own stars?
This is how astronomers manage to find worlds orbiting stars light-years away, sometimes even discovering several worlds...
How do scientists know what distant stars are made of?
The glow reaching us from a star millions of light-years away carries more than just illumination; it holds the detailed...
How do scientists count stars?
Counting the stars is one of astronomy’s oldest fascinations, yet for scientists today, it remains an exercise in educat...