Ron Cowen
Trustworthy journalism comes at a price.
Scientists and journalists share a core belief in questioning, observing and verifying to reach the truth. Science News reports on crucial research and discovery across science disciplines. We need your financial support to make it happen – every contribution makes a difference.
All Stories by Ron Cowen
-
Space
Betelgeuse shrinks
A familiar star, visible to the naked eye, has shrunk dramatically in just 15 years.
-
Astronomy
Pinning down a pulsar’s age
Reporting at a meeting of the American Astronomical Society, researchers suggest some of these swirling stellar remnants are older, younger by a factor of 10.
-
Space
Galactic black holes may be more massive than thought
The giant black holes at the cores of massive nearby galaxies may be two to four times heftier than estimated.
-
Space
Astrometry nabs an exoplanet
long-proposed method of searching for extrasolar planets has finally discovered one — a body six times heavier than Jupiter that orbits a dwarf star 20 light-years from Earth.
-
Tech
Earliest known sound recordings revealed
Researchers unveil imprints made 20 years before Edison invented phonograph.
-
Space
Evidence mounts for liquid interior of a Saturn moon
Plumes of Enceladus offer hints that moon is now or was in the recent past partially liquid inside.
-
Space
Last Hubble rendezvous
During five successful space walks, astronauts repaired and rejuvenated the Hubble Space Telescope.
-
Four space walks to Hubble completed
Final repair mission to Hubble launched May 11 enjoys success so far.
-
Space
Cosmic dustup settles
Two new studies document how crystalline dust forms in the hot, inner part of a young star’s planet-making disk and then gets incorporated into the cold, comet-forming region billions of kilometers away.
-
Space
Final Hubble repair mission begins
The final mission to repair and upgrade the Hubble Space Telescope lifted off May 11.
-
Space
Honing the Hubble constant
Revised value supports finding that dark energy does not vary with time.