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NASA News
December 5, 2019

Top Headlines
 

The search for evidence of life on Mars could be helped by fresh insights into ancient rocks ... read more
An astrophysicist has discovered many new multiple star systems that contain exoplanets. For this, he searched more than 1,300 exoplanet host stars. He found that 15 per cent ... read more

With Mars Methane Mystery Unsolved, Curiosity Serves Scientists a New One: Oxygen

For the first time in the history of space exploration, scientists have measured the seasonal changes in the gases that fill the air directly above ... read more
Astronomers using the NASA/ESA Hubble Space Telescope have observed a galaxy in the distant regions of the Universe which appears duplicated at least 12 times on the night ... read more
Latest Headlines
updated 9:20am EST

Earlier Headlines
 

How LISA Pathfinder Detected Dozens of 'Comet Crumbs'

Scientists leveraged LISA Pathfinder's record-setting sensitivity (designed to ripples in space-time produced by, among other things, merging black holes) for a different purpose much closer to ... read more

How to Observe a 'Black Hole Symphony' Using Gravitational Wave Astronomy

Astrophysicists present a compelling roadmap for capturing intermediate-mass black hole ... read more

Central Mysteries of Solar Physics

Scientists have shed new light on one of the central mysteries of solar physics: how energy from the Sun is transferred to the star's upper atmosphere, heating it to 1 million degrees Fahrenheit ... read more

Even by the wild standards of the outer solar system, the strange orbits that carry Neptune's two innermost moons are unprecedented, according to newly published ... read more

The Ways Astronauts Prep for Spaceflight Could Benefit Cancer Patients, Say Researchers

During spaceflight, astronauts experience similar physical stress as cancer patients undergoing treatments such as chemotherapy, immunotherapy, and targeted therapy. Researchers suggest that by ... read more

Space-Based Radar Suggests North Korean Nuke Equivalent to '17 Hiroshimas'

A team of scientists have used satellite data to augment measurements of North Korean nuclear tests on the ground. The researchers find that the most recent test shifted the ground by a few meters, ... read more

'Are We Alone?' Study Refines Which Exoplanets Are Potentially Habitable

Researchers are first to combine 3D climate modeling with atmospheric chemistry to explore the habitability of planets around M dwarf stars, which comprise about 70% of the total galactic ... read more

Mysteries Behind Interstellar Buckyballs Finally Answered

Mimicking conditions thought to exist around dying stars, researchers discovered a mechanism that could explain why planetary nebulae are teeming with complex carbon ... read more

Scientists Further Refine How Quickly the Universe Is Expanding

Scientists have devised a new measurement of the Hubble ... read more

Human Heart Cells Are Altered by Spaceflight, but Return to (Mostly) Normal on Earth

Heart muscle cells derived from stem cells show remarkable adaptability to their environment during and after spaceflight, according to a new study. The researchers examined cell-level cardiac ... read more

Researchers report the spacecraft Voyager 2 has reached interstellar space, following Voyager 1's historic passage six years ago. In the study, the researchers note a jump in plasma density ... read more

Worldwide Observations Confirm Nearby 'Lensing' Exoplanet

Researchers using telescopes around the world confirmed and characterized an exoplanet orbiting a nearby star through a rare phenomenon known as gravitational microlensing. The exoplanet has a mass ... read more

Astronomers Catch Wind Rushing out of Galaxy

Study's findings provide direct evidence for the first time of the role of galactic winds -- ejections of gas from galaxies -- in creating the circumgalactic medium ... read more

Study Underscores Changes in Brain Structure, Function in Long-Duration Space Missions

New study demonstrates for the first time that changes in cognitive performance correlate with changes in brain structure in NASA astronauts following ... read more

Martian Landslides Not Conclusive Evidence of Ice

Giant ridges on the surface of landslides on Mars could have formed without ice, challenging their use by some as unequivocal evidence of past ice on the red planet, finds a new study using ... read more

New measurements of the rate of expansion of the universe add to a growing mystery: Estimates of a fundamental constant made with different methods keep giving different ... read more

No Defects Found in Reproductive Ability of Male Mice Returning from Short Stay in Space

Male mice raised in space using specially developed cages were returned safely to Earth. The sperm production/fertilizing ability of the mice were normal and the reproduction ability of the offspring ... read more

Monstrous Galaxy from Dawn of the Universe Accidentally Discovered

The early universe is filled with monsters, a new study revealed. Researchers discovered a previously invisible galaxy, and perhaps a new galaxy population waiting to be ... read more

Mix Master: Modeling Magnetic Reconnection in Partially Ionized Plasma

Many of the most dramatic events in the solar system -- the spectacle of the Northern Lights, the explosiveness of solar flares, and the destructive impact of geomagnetic storms that can disrupt ... read more

Mars once had salt lakes that are similar to those on Earth and has gone through wet and dry ... read more

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