Precise measurements reveal that the exoplanets have remarkably similar densities, which provides clues about their composition.
Jan 22, 2021
The Blue Ring Nebula, which perplexed scientists for over a decade, appears to be the youngest known example of two stars merged into one.
Nov 18, 2020
The violent events leading up to the death of a star would likely drive away any planets. The newly discovered Jupiter-size object may have arrived long after the star died.
Sep 16, 2020
Using a NASA-designed software program, members of the public helped identify a cache of brown dwarfs - sometimes called failed stars - lurking in our cosmic neighborhood.
Aug 18, 2020
Carried by a balloon the size of a football stadium, ASTHROS will use a cutting-edge telescope to observe wavelengths of light that aren't visible from the ground.
Jul 23, 2020
Data from NASA's NEOWISE mission, managed by the agency's Jet Propulsion Laboratory, fuels the search for these not-quite-planets-but-not-quite-stars.
Jul 10, 2020
The newly discovered planet's parent star is still encircled by the disk of material from which both objects formed, giving scientists a glimpse at early planet evolution.
Jun 24, 2020
Jupiter-size planets orbiting close to their stars have upended ideas about how giant planets form. Finding young members of this planet class could help answer key questions.
Jun 22, 2020
Born from an exploded star, the infant magnetar belongs to a family of extreme objects called neutron stars. Its discovery may lend insight into these strange phenomena.
Jun 17, 2020
About the size of a briefcase, the CubeSat was built to test new technologies but exceeded expectations by spotting a planet outside our solar system.
Jun 2, 2020