Very-long baseline interferometry (VLBI) is a technique in radio astronomy whereby multiple radio telescopes cooperate to ...

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a camera so powerful it can see light from galaxies that formed more than 13 ...

— -- As humans, we're limited by what we can see with the naked eye. While we're biologically suited to looking at things up close, our eyes can't zoom in to take a look at far-away objects. But ...

Radio telescopes let you study the universe by collecting faint radio waves from distant objects. To see extremely small ...

Light is the fastest phenomenon in the universe, clocking in at just under 300,000 kilometers per second. The telescopes that observe that light, from radio waves to gamma rays, are built at rather ...