The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...

Arcturus Therapeutics Holdings Inc. stock is down 46% since Sept. 2023 coverage; mRNA sector faces headwinds with public skepticism (35% comfortable with technology) and challenges translating ...

Mercury joins the night sky to complete a 7-planet alignment just after sunset for the end of February. Saturn leaves our ...

Providing a diverse range of perspectives from bullish to bearish, 5 analysts have published ratings on Arcturus Therapeutics ARCT in the last three months. The table below summarizes their recent ...

The exoplanet – a planet outside our solar system – has a mass six times greater than that of Earth, and orbits in the “habitable zone” of a nearby star similar to our sun 20 light-years ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

Astronomers await a rare cosmic event as T Coronae Borealis, the Blaze Star, prepares to erupt in a thermonuclear explosion, making it briefly visible in the night sky.

Welcome to this month’s edition of “What’s up in the sky?” February has a nice lineup of planets and some eye-catching ...