Particles in the atmosphere, known as aerosols, cool the climate by acting as cloud condensation nuclei. The more cloud ...

The planets are aligning. This Saturday is a rare chance to see several of our closest cosmic neighbors in a single sky. Six planets will assemble themselves for a spectacular “planetary parade” that ...

NASA’s ESCAPADE mission will launch twin satellites to orbit Mars and study how solar wind interacts with the planet’s magnetic field and atmosphere.

A U.K. astrophotographer had to put together some clever equipment tricks to show six of the seven planets in a rare 'parade' ...

Step outside just after sunset and you may catch an unusual sight: six planets strung across the sky in a gentle arc. The phenomenon—often dubbed a “planetary parade”—isnt ...

Proposals before the FCC involve mirrors that could bathe entire cities in sunlight and, from SpaceX, a million satellites to ...

Some of the universe's most extreme explosions leave behind almost no trace. The original explosion is unseen, but our observations can capture the long-lived echo it leaves behind as the shock front ...

Sydney will experience a historic solar eclipse in 2028, with more than five minutes of darkness in Australia for the first time since 1857.

A telescope in Chile has revealed in unprecedented detail the swirling splendor of star-forming gases at the heart of our ...

Fresh observations from the James Webb Space Telescope show how vivid auroras surge through Uranus’s tilted magnetic field ...

Neptune’s mid-latitude clouds began fading in 2019 and have not recovered, according to nearly three decades of observations from the Hubble Space Telescope and ground-based observatories. By 2020, ...