Jun 10, 2024 by News Staff

Cold, dense clouds in the interstellar medium of our Milky Way Galaxy are around four-five orders of magnitude denser than their diffuse counterparts....

Jun 12, 2023 by News Staff

NASA’s Parker Solar Probe has flown close enough to the Sun to detect the fine structure of the solar wind close to where it is generated at the solar...

May 20, 2022 by News Staff

On March 26, 2022, the ESA/NASA Solar Orbiter spacecraft made the first of its close perihelion passages. The spacecraft flew closer to the Sun than the...

Jun 15, 2021 by News Staff

Astronomers using NASA’s Interstellar Boundary Explorer (IBEX) satellite have mapped the boundary of the heliosphere, the vast region of space surrounding...

Aug 6, 2020 by News Staff

The heliosphere is a giant magnetic bubble that contains our Solar System, the solar wind and the solar magnetic field. Outside the heliosphere is the...

Dec 4, 2019 by News Staff

As the solar wind — the supersonic stream of charged particles blown out by the Sun — moves farther from the Sun, it encounters an increasing...

Nov 5, 2019 by News Staff

In November 2018, NASA’s Voyager 2 spacecraft became only the second human-made object to cross the outer edge of the Sun’s heliosphere, the bubble...

Oct 8, 2018 by News Staff

NASA’s Voyager 2 spacecraft has detected an increase in cosmic rays that originate outside the Solar System. Currently, the probe is approximately 11...

Apr 24, 2017 by News Staff

Many stars show tails that trail behind them like a comet’s tail, supporting the idea that our own Solar System has one too. However, new evidence from...

Feb 29, 2016 by Enrico de Lazaro

Using data from NASA’s Interstellar Boundary Explorer (IBEX), researchers have accurately determined the strength and direction of the magnetic field...

Sep 13, 2013 by News Staff

According to a team of scientists reporting online in the journal Science, NASA’s Voyager 1 has indeed left the Solar System and entered interstellar...

Jul 11, 2013 by News Staff

Scientists using NASA’s Interstellar Boundary Explorer (IBEX) spacecraft have revealed a unique and unexpected structure of the downwind region of...