Peak sunshine has arrived in the Northern Hemisphere — the summer solstice. Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical summer. It’s ...

Peak sunshine has arrived in the Northern Hemisphere — the summer solstice. Friday is the longest day of the year north of ...

A family of asteroids share the planet's orbit, and two new studies suggest that one day the space rocks could theoretically pose a danger to Earth. Venus has groupies—a family of asteroids that ...

Summer is about to get a little less fun. Paige DeSorbo announced she's leaving "Summer House" following the season nine reunion, which concluded June 4. “I have a little life update for you ...

New missions such as NASA’s upcoming Geospace Dynamics Constellation will add low-Earth-orbit perspectives, offering a 3-D look at plasma motions. Combined with ground-based radars and all-sky cameras ...

An example of this are the "ghost moons" discovered in 1961 by the Polish astronomer Kazimierz Kordylewski (1903-1981), clouds of dust accumulated around the Lagrange points in the Earth-Moon system.

or rely on on-orbit refueling in orbit around Earth and Mars to successfully complete a return trip between planets. In addition, there are many unknowns regarding the need for radiation shielding ...

Instead, Earth is tracking towards around 2.7°C average warming by 2100. That level of warming would represent “unprecedented peril” for life on this planet. But it shows progress is being made.

Eruptions from the sun are shortening the lives of satellites in Earth orbit, particularly large constellations like SpaceX’s Starlink – which could be both beneficial and a cause for concern.

Starship's planned trajectory for Tuesday included a nearly full orbit around Earth for a controlled splashdown in the Indian Ocean to test new designs of its heat shield tiles and revised flaps ...