Understand the moon phases and you can wager a pretty good guess for when the next full moon is no matter where we are in the ...

Lunar Trailblazer's voyage to the Moon will take between four and seven months, de-pending on the day it launches. This orbital diagram shows the low-energy transfer trajectory of the NASA mission ...

Scientists reveal the discovery of two new temporary radiation belts encircling the Earth created by a massive solar storm in ...

Possibly one of the best-known constellations in the northern sky, Ursa Major—or the Great Bear—contains an asterism of seven ...

The Sentinel-2A Earth observation satellite has been given a 12-month “exceptional and temporary” reprieve from retirement.

Before arriving at the moon, the small satellite mission will use the gravity of the sun, Earth, and moon over several months ...

Astronomers will use the Webb telescope to closely monitor the size and trajectory of an asteroid that has a slim chance of hitting Earth in 2032.

The $10 billion orbiting observatory will give astronomers a better sense of the near-Earth asteroid 2024 YR4's size and ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

The odds that asteroid 2024 YR4 could hit Earth in 2032 recently spiked from a little more than 1% to 2.3% as more observations are made.

It's their considerable sideways momentum, perfectly stabilised against the Earth's gravitational pull downwards, that keeps satellites in orbit. A new class of satellites is aiming to push the ...