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Tag: NASA

Artist impression of humans exploring Mars. (NASA)

Study: Trip to Mars Could Weaken Astronaut’s Immune System

January 25, 2019

Some of the biggest challenges NASA faces, if it is to meet its goal of sending humans to Mars, is making sure its astronauts are kept healthy and safe from harm. Unlike current space flights, a round-trip mission to Mars could take up to 3 years. Cosmic and solar radiation and a weakening of muscles and bones […]

This image of Ceres approximates how the dwarf planet's colors would appear to the eye. This view of Ceres, produced by the German Aerospace Center in Berlin, combines images taken during Dawn's first science orbit in 2015. (NASA/JPL-Caltech/UCLA/MPS/DLR/IDA)

NASA’s Dawn Spacecraft Ends 11-Year Mission

November 3, 2018

NASA has concluded that the 11-year mission of the Dawn Spacecraft and its exploration of Vesta and Ceres, two of the largest objects in the asteroid belt between Mars and Jupiter, has come to an end. According to the space agency, the spacecraft missed scheduled communications sessions with NASA’s Deep Space Network not only on […]

The 44 confirmed planets and their approximate size class, orbits and surface temperatures. (John Livingston)

Astronomers Find and Confirm 44 New Extrasolar Planets

August 10, 2018

An international team of astronomers has confirmed the existence of 44 new extrasolar planets. The planets were first spotted by the astronomers through data gathered from Campaign #10 of NASA’s Kepler K2 mission. According to NASA’s Kepler and K2 webpage, campaign #10 ran from July 6, 2016, to September 20, 2016. To verify their findings, […]

Saturn’s icy moon Enceladus as seen by the Cassini spacecraft. (NASA/JPL)

Building Blocks of Life Discovered on Saturn Moon – Enceladus

July 2, 2018

NASA’s Cassini mission, which provided a close look of Saturn, its moons, and famous rings came to a blazing end on September 15, 2017. But the data gathered by the 13-year mission continues to provide scientists with new insight into the ringed planet. One of the highlights of the Cassini mission was its discovery of geysers […]

This low-angle self-portrait of NASA's Curiosity Mars rover shows the vehicle at the site from which it reached down to drill into a rock target called "Buckskin" on lower Mount Sharp. (NASA/JPL-Caltech/MSSS)

Curiosity Finds a Couple of Life’s Building Blocks on Mars

June 8, 2018

NASA says their Mars roaming laboratory, Curiosity, has found fresh evidence near the surface of the Red Planet that suggests it could have once supported ancient life. The rover also found evidence, in the Martian Atmosphere, that could link into the space agency’s search for current life on the planet. According to NASA, the new […]

NASA's Mars Helicopter, a small, autonomous rotorcraft, will travel with the agency's Mars 2020 rover. (NASA/JPL-Caltech)

NASA Plans to Fly Helicopter on Mars

May 17, 2018

There are two robotic rovers traversing and exploring the surface of Mars – NASA’s Opportunity and Curiosity rovers. These rovers, along with two others (Sojourner & Spirit) from past missions, use(d) specially made wheels to get around the Red Planet. Instead of just wheels NASA now wants to try a different way to travel around Mars. […]

How Will Our Sun Die?

May 10, 2018

Scientists say our Sun has been shining for about the last 4.6 billion years. They also say the Sun is expected to have enough hydrogen to fuel nuclear fusion in its core to allow it to continue shining as it has for about another 5 billion years. Along with creating solar energy, the Sun’s hydrogen […]

This is an enhanced-color image of Mecury taken during NASA’s MESSENGER mission in 2015. (NASA/JHU Applied Physics Lab / Carnegie Inst. Washington)

Calculations Show Mercury Has a Thin but Dense Crust

May 1, 2018

Mercury is the closest planet to the Sun, and very little is really known about this hot rocky orb. So far, only two space probes have ever studied Mercury. NASA’s Mariner 10 flew past the planet three times between 1973 and 1974. The flybys allowed scientists to map about half the planet, discover its thin […]

Illustration of NASA's Transiting Exoplanet Survey Satellite -- TESS -- observing an M dwarf star with orbiting planets. (NASA's Goddard Space Flight Center)

NASA Launches TESS the Exoplanet Hunter

April 23, 2018

The Transiting Exoplanet Survey Satellite, or TESS, will soon join NASA’s fleet of exoplanet-hunters that, so far, includes the Kepler, Hubble, and the Spitzer Space Telescopes. TESS was launched at 2251 UTC on April 18, 2018, from the Cape Canaveral Air Force Station in Florida. The space observatory is expected to survey about 85% of […]

Orbital debris graphic that was computer generated from a distant oblique vantage point to provide a good view of the object population in the geosynchronous region (around 35,785 km altitude). (NASA Orbital Debris Program Office)

Could a Net and a Harpoon Cleanup Space Junk?

April 5, 2018

The Chinese space station Tiangong 1’s recent fall to Earth, in an unguided re-entry, has raised discussion again on how to address the nagging problem of space junk or orbital debris circling our planet. The website for NASA’s Orbital Debris Program Office indicates that more than 21,000 orbital debris, larger than 10 cm, are known […]

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