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Whoa! New and giant telescopes ahead
Telescope technology has come a long way. Here are 4 new amazing machines for observing the universe, both from space and from Earth.
April 11, 2018
Goodbye Kepler, hello TESS: Passing the baton in exoplanet search
When NASA first started planning the Kepler mission, no one knew if the universe held any planets outside our solar system. Thousands of exoplanets later, the search enters a new phase.
April 11, 2018
Hubble finds an Einstein ring
The arcs you see at the center of this Hubble Space Telescope image are created by the light of distant galaxies, distorted to form what's called an "Einstein ring."
April 11, 2018
Giant sun tornadoes aren’t spinning
Two-dimensional images of these solar prominences make them look as if they're spinning, and astronomers have long assumed they were. But new research says no.
April 9, 2018
Cosmic cold front older than solar system
Astronomers were surprised to discover an enormous “cold front” millions of light years in extent and older than the solar system.
April 9, 2018
Look up: It’s a satellite!
"I use the Heavens Above astronomy site or the Starry Night app to check on satellites ... they are fun to spot."
April 8, 2018
Astronomers find 72 bright and fast explosions
There and gone in a cosmological flash. Astronomers report on 72 bright, quick events found in a recent survey. They're like supernovae, but flash into view, then disappear again much faster.
April 7, 2018
Earth’s magnetosphere envelops and protects us
A giant bubble of magnetism protects us from the sun's fury. Take 3 minutes to learn about it, in this new NASA ScienceCast video.
April 6, 2018
Does space weather threaten high-tech life?
The wired Earth of the 21st century is at the mercy of the volatile nature of the sun, says a scientist who studies solar storms.
April 4, 2018
Astronomers spy most distant star yet
Astronomers call it Lensed Star 1 because gravitational microlensing magnified its light some 2,000 times. That's how they saw it shining from the distant past, only 4.4 billion years after the Big Bang.
April 3, 2018
