Planet hunters have grown used to strange worlds, but a handful of discoveries now point to something even more radical: ...

Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.

First up, just pointing a rocket at the Sun and blasting as hard as you can would result in a wild miss. The main problem you ...

When the phrase "two spacecraft are following paths in space given by" is used, it implies that we have access to this kind of information for both spacecraft, usually in the form of mathematical ...

A rare G4 geomagnetic storm watch now hangs over one of the most anticipated launches of the year, as Blue Origin readies to send its towering 98-meter New Glenn rocket on its second-ever flight from ...

Department of Physics, School of Applied Sciences, Mongolian University of Science and Technology, Ulaanbaatar, Mongolia. Tycho Brahe was known for his comprehensive and remarkably accurate ...

Relationship to Speed: When a planet is closer to the Sun (near perihelion), it must move faster to sweep out the same area in a given time as when it is farther from the Sun (near aphelion).

Many binary black holes once were binary star systems. There, two stars, each more massive than our Sun, orbited each other, one after the other exploded as a supernova, and collapsed into black holes ...

Some of the most promising places to look for extraterrestrials have remained, so far, mostly hidden from astronomers. Now a game-changing instrument called NIRPS (Near-Infrared Planet Searcher) is ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labeled as planet X, prominent astronomers ...

When you put your hand out the window of a moving car, you feel a force pushing against you called drag. This force opposes a moving vehicle, and it’s part of the reason why your car naturally slows ...