Solar winds are no threat to people on Earth, but can pose a danger to astronauts and spacecraft. NASA has selected two new missions that aims to better our understanding of how the Sun drives extreme space weather. The first mission, Polarimeter to Unify the Corona and Heliosphere (or PUNCH) will consist of four suitcase-shaped satellites that will track solar wind as it leaves the sun. The second, Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (or TRACERS) will use two spacecraft to study how magnetic fields around Earth interact with the Sun.
This incredible image shows a pair of “nuclear superbubbles,” one over 4,900 light-years across and the other over 3,500 light-years. They’re emanating from the center of the galaxy NGC 3079, likely the result of a central black hole consuming matter and spewing it back out. Continue reading Check Out This Incredible X-Ray ‘Superbubble’ That’s Nearly 5,000 Light-Years Wide
A human-made object has entered the space between the stars for the second time in history, scientists report. Continue reading It’s Official: Voyager 2 Has Entered Interstellar Space
NASA’s Parker Solar Probe just smashed the record for the fastest human-made object — but it’s just getting started on a series of feats that defy comprehension. Continue reading NASA just smashed the record for the fastest human-made object
Mars may have a hostile, dusty exterior bathed in dangerous radiation, but a new study suggests that it’s possible life could exist under that inhospitable crust. Pockets of salty water with enough dissolved oxygen to support life may be present in certain parts of the planet, according to a new paper published in the journal Nature Geoscience. Continue reading Salty Water Under the Surface of Mars Could Have Enough Oxygen for Life
Six years ago, the Voyager 1 spacecraft informed scientists that it had become the first man-made object to enter interstellar space. Now, Voyager 2 has begun to return signs that its own exit from the Solar System could be coming soon. Continue reading Voyager 2 Detects Hints That Interstellar Space Is Nearby