Will two rare supernovas finally tell us how fast the universe is expanding? Perhaps, but we'll have to wait for it for them ...

From new telescopes going online to another mission to the Moon, NASA has a lot of big changes coming in 2026. Here are some ...

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 ...

When NASA launched its $10 billion James Webb Space Telescope in 2021, scientists hailed the mission as the greatest achievement of its kind in over three decades. Soon, however, scientists noticed a ...